313999452

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{647}}^1$

素因数の和:748

約数の個数: 144

約数和(自身を含む): 921316032

約数和(自身を除く): 607316580

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 17, 18, 26, 34, 36, 39, 51, 52, 61, 68, 78, 102, 117, 122, 153, 156, 183, 204, 221, 234, 244, 306, 366, 442, 468, 549, 612, 647, 663, 732, 793, 884, 1037, 1098, 1294, 1326, 1586, 1941, 1989, 2074, 2196, 2379, 2588, 2652, 3111, 3172, 3882, 3978, 4148, 4758, 5823, 6222, 7137, 7764, 7956, 8411, 9333, 9516, 10999, 11646, 12444, 13481, 14274, 16822, 18666, 21998, 23292, 25233, 26962, 28548, 32997, 33644, 37332, 39467, 40443, 43996, 50466, 53924, 65994, 75699, 78934, 80886, 98991, 100932, 118401, 121329, 131988, 142987, 151398, 157868, 161772, 197982, 236802, 242658, 285974, 302796, 355203, 395964, 428961, 473604, 485316, 513071, 571948, 670939, 710406, 857922, 1026142, 1286883, 1341878, 1420812, 1539213, 1715844, 2012817, 2052284, 2573766, 2683756, 3078426, 4025634, 4617639, 5147532, 6038451, 6156852, 8051268, 8722207, 9235278, 12076902, 17444414, 18470556, 24153804, 26166621, 34888828, 52333242, 78499863, 104666484, 156999726, 313999452]

約数ペア:

[(1, 313999452), (2, 156999726), (3, 104666484), (4, 78499863), (6, 52333242), (9, 34888828), (12, 26166621), (13, 24153804), (17, 18470556), (18, 17444414), (26, 12076902), (34, 9235278), (36, 8722207), (39, 8051268), (51, 6156852), (52, 6038451), (61, 5147532), (68, 4617639), (78, 4025634), (102, 3078426), (117, 2683756), (122, 2573766), (153, 2052284), (156, 2012817), (183, 1715844), (204, 1539213), (221, 1420812), (234, 1341878), (244, 1286883), (306, 1026142), (366, 857922), (442, 710406), (468, 670939), (549, 571948), (612, 513071), (647, 485316), (663, 473604), (732, 428961), (793, 395964), (884, 355203), (1037, 302796), (1098, 285974), (1294, 242658), (1326, 236802), (1586, 197982), (1941, 161772), (1989, 157868), (2074, 151398), (2196, 142987), (2379, 131988), (2588, 121329), (2652, 118401), (3111, 100932), (3172, 98991), (3882, 80886), (3978, 78934), (4148, 75699), (4758, 65994), (5823, 53924), (6222, 50466), (7137, 43996), (7764, 40443), (7956, 39467), (8411, 37332), (9333, 33644), (9516, 32997), (10999, 28548), (11646, 26962), (12444, 25233), (13481, 23292), (14274, 21998), (16822, 18666)]