644873148

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{307}}^1$

素因数の和:456

約数の個数: 144

約数和(自身を含む): 1789307520

約数和(自身を除く): 1144434372

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 37, 38, 57, 74, 76, 83, 111, 114, 148, 166, 171, 222, 228, 249, 307, 332, 333, 342, 444, 498, 614, 666, 684, 703, 747, 921, 996, 1228, 1332, 1406, 1494, 1577, 1842, 2109, 2763, 2812, 2988, 3071, 3154, 3684, 4218, 4731, 5526, 5833, 6142, 6308, 6327, 8436, 9213, 9462, 11052, 11359, 11666, 12284, 12654, 14193, 17499, 18426, 18924, 22718, 23332, 25308, 25481, 27639, 28386, 34077, 34998, 36852, 45436, 50962, 52497, 55278, 56772, 58349, 68154, 69996, 76443, 101924, 102231, 104994, 110556, 116698, 136308, 152886, 175047, 204462, 209988, 215821, 229329, 233396, 305772, 350094, 408924, 431642, 458658, 484139, 525141, 647463, 700188, 863284, 917316, 942797, 968278, 1050282, 1294926, 1452417, 1885594, 1936556, 1942389, 2100564, 2589852, 2828391, 2904834, 3771188, 3884778, 4357251, 5656782, 5809668, 7769556, 8485173, 8714502, 11313564, 16970346, 17429004, 17913143, 33940692, 35826286, 53739429, 71652572, 107478858, 161218287, 214957716, 322436574, 644873148]

約数ペア:

[(1, 644873148), (2, 322436574), (3, 214957716), (4, 161218287), (6, 107478858), (9, 71652572), (12, 53739429), (18, 35826286), (19, 33940692), (36, 17913143), (37, 17429004), (38, 16970346), (57, 11313564), (74, 8714502), (76, 8485173), (83, 7769556), (111, 5809668), (114, 5656782), (148, 4357251), (166, 3884778), (171, 3771188), (222, 2904834), (228, 2828391), (249, 2589852), (307, 2100564), (332, 1942389), (333, 1936556), (342, 1885594), (444, 1452417), (498, 1294926), (614, 1050282), (666, 968278), (684, 942797), (703, 917316), (747, 863284), (921, 700188), (996, 647463), (1228, 525141), (1332, 484139), (1406, 458658), (1494, 431642), (1577, 408924), (1842, 350094), (2109, 305772), (2763, 233396), (2812, 229329), (2988, 215821), (3071, 209988), (3154, 204462), (3684, 175047), (4218, 152886), (4731, 136308), (5526, 116698), (5833, 110556), (6142, 104994), (6308, 102231), (6327, 101924), (8436, 76443), (9213, 69996), (9462, 68154), (11052, 58349), (11359, 56772), (11666, 55278), (12284, 52497), (12654, 50962), (14193, 45436), (17499, 36852), (18426, 34998), (18924, 34077), (22718, 28386), (23332, 27639), (25308, 25481)]