1218149964

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{127}}^1\times {\mathrm{379}}^1$

素因数の和:572

約数の個数: 144

約数和(自身を含む): 3363942400

約数和(自身を除く): 2145792436

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 37, 38, 57, 74, 76, 111, 114, 127, 148, 171, 222, 228, 254, 333, 342, 379, 381, 444, 508, 666, 684, 703, 758, 762, 1137, 1143, 1332, 1406, 1516, 1524, 2109, 2274, 2286, 2413, 2812, 3411, 4218, 4548, 4572, 4699, 4826, 6327, 6822, 7201, 7239, 8436, 9398, 9652, 12654, 13644, 14023, 14097, 14402, 14478, 18796, 21603, 21717, 25308, 28046, 28194, 28804, 28956, 42069, 42291, 43206, 43434, 48133, 56092, 56388, 64809, 84138, 84582, 86412, 86868, 89281, 96266, 126207, 129618, 144399, 168276, 169164, 178562, 192532, 252414, 259236, 266437, 267843, 288798, 357124, 433197, 504828, 532874, 535686, 577596, 799311, 803529, 866394, 914527, 1065748, 1071372, 1598622, 1607058, 1732788, 1780921, 1829054, 2397933, 2743581, 3197244, 3214116, 3561842, 3658108, 4795866, 5342763, 5487162, 7123684, 8230743, 9591732, 10685526, 10974324, 16028289, 16461486, 21371052, 32056578, 32922972, 33837499, 64113156, 67674998, 101512497, 135349996, 203024994, 304537491, 406049988, 609074982, 1218149964]

約数ペア:

[(1, 1218149964), (2, 609074982), (3, 406049988), (4, 304537491), (6, 203024994), (9, 135349996), (12, 101512497), (18, 67674998), (19, 64113156), (36, 33837499), (37, 32922972), (38, 32056578), (57, 21371052), (74, 16461486), (76, 16028289), (111, 10974324), (114, 10685526), (127, 9591732), (148, 8230743), (171, 7123684), (222, 5487162), (228, 5342763), (254, 4795866), (333, 3658108), (342, 3561842), (379, 3214116), (381, 3197244), (444, 2743581), (508, 2397933), (666, 1829054), (684, 1780921), (703, 1732788), (758, 1607058), (762, 1598622), (1137, 1071372), (1143, 1065748), (1332, 914527), (1406, 866394), (1516, 803529), (1524, 799311), (2109, 577596), (2274, 535686), (2286, 532874), (2413, 504828), (2812, 433197), (3411, 357124), (4218, 288798), (4548, 267843), (4572, 266437), (4699, 259236), (4826, 252414), (6327, 192532), (6822, 178562), (7201, 169164), (7239, 168276), (8436, 144399), (9398, 129618), (9652, 126207), (12654, 96266), (13644, 89281), (14023, 86868), (14097, 86412), (14402, 84582), (14478, 84138), (18796, 64809), (21603, 56388), (21717, 56092), (25308, 48133), (28046, 43434), (28194, 43206), (28804, 42291), (28956, 42069)]