651264588

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{521}}^1\times {\mathrm{2671}}^1$

素因数の和:3215

約数の個数: 72

約数和(自身を含む): 1776954816

約数和(自身を除く): 1125690228

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 468, 521, 1042, 1563, 2084, 2671, 3126, 4689, 5342, 6252, 6773, 8013, 9378, 10684, 13546, 16026, 18756, 20319, 24039, 27092, 32052, 34723, 40638, 48078, 60957, 69446, 81276, 96156, 104169, 121914, 138892, 208338, 243828, 312507, 416676, 625014, 1250028, 1391591, 2783182, 4174773, 5566364, 8349546, 12524319, 16699092, 18090683, 25048638, 36181366, 50097276, 54272049, 72362732, 108544098, 162816147, 217088196, 325632294, 651264588]

約数ペア:

[(1, 651264588), (2, 325632294), (3, 217088196), (4, 162816147), (6, 108544098), (9, 72362732), (12, 54272049), (13, 50097276), (18, 36181366), (26, 25048638), (36, 18090683), (39, 16699092), (52, 12524319), (78, 8349546), (117, 5566364), (156, 4174773), (234, 2783182), (468, 1391591), (521, 1250028), (1042, 625014), (1563, 416676), (2084, 312507), (2671, 243828), (3126, 208338), (4689, 138892), (5342, 121914), (6252, 104169), (6773, 96156), (8013, 81276), (9378, 69446), (10684, 60957), (13546, 48078), (16026, 40638), (18756, 34723), (20319, 32052), (24039, 27092)]