7921484792

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{127}}^1\times {\mathrm{20681}}^1$

素因数の和:20856

約数の個数: 64

約数和(自身を含む): 16677964800

約数和(自身を除く): 8756480008

約数列:

[1, 2, 4, 8, 13, 26, 29, 52, 58, 104, 116, 127, 232, 254, 377, 508, 754, 1016, 1508, 1651, 3016, 3302, 3683, 6604, 7366, 13208, 14732, 20681, 29464, 41362, 47879, 82724, 95758, 165448, 191516, 268853, 383032, 537706, 599749, 1075412, 1199498, 2150824, 2398996, 2626487, 4797992, 5252974, 7796737, 10505948, 15593474, 21011896, 31186948, 34144331, 62373896, 68288662, 76168123, 136577324, 152336246, 273154648, 304672492, 609344984, 990185599, 1980371198, 3960742396, 7921484792]

約数ペア:

[(1, 7921484792), (2, 3960742396), (4, 1980371198), (8, 990185599), (13, 609344984), (26, 304672492), (29, 273154648), (52, 152336246), (58, 136577324), (104, 76168123), (116, 68288662), (127, 62373896), (232, 34144331), (254, 31186948), (377, 21011896), (508, 15593474), (754, 10505948), (1016, 7796737), (1508, 5252974), (1651, 4797992), (3016, 2626487), (3302, 2398996), (3683, 2150824), (6604, 1199498), (7366, 1075412), (13208, 599749), (14732, 537706), (20681, 383032), (29464, 268853), (41362, 191516), (47879, 165448), (82724, 95758)]