77921648

素因数分解:

$2^4\times 7^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{239}}^1$

素因数の和:366

約数の個数: 80

約数和(自身を含む): 179988480

約数和(自身を除く): 102066832

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 41, 56, 71, 82, 112, 142, 164, 239, 284, 287, 328, 478, 497, 568, 574, 656, 956, 994, 1136, 1148, 1673, 1912, 1988, 2296, 2911, 3346, 3824, 3976, 4592, 5822, 6692, 7952, 9799, 11644, 13384, 16969, 19598, 20377, 23288, 26768, 33938, 39196, 40754, 46576, 67876, 68593, 78392, 81508, 118783, 135752, 137186, 156784, 163016, 237566, 271504, 274372, 326032, 475132, 548744, 695729, 950264, 1097488, 1391458, 1900528, 2782916, 4870103, 5565832, 9740206, 11131664, 19480412, 38960824, 77921648]

約数ペア:

[(1, 77921648), (2, 38960824), (4, 19480412), (7, 11131664), (8, 9740206), (14, 5565832), (16, 4870103), (28, 2782916), (41, 1900528), (56, 1391458), (71, 1097488), (82, 950264), (112, 695729), (142, 548744), (164, 475132), (239, 326032), (284, 274372), (287, 271504), (328, 237566), (478, 163016), (497, 156784), (568, 137186), (574, 135752), (656, 118783), (956, 81508), (994, 78392), (1136, 68593), (1148, 67876), (1673, 46576), (1912, 40754), (1988, 39196), (2296, 33938), (2911, 26768), (3346, 23288), (3824, 20377), (3976, 19598), (4592, 16969), (5822, 13384), (6692, 11644), (7952, 9799)]