7977788

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1$

素因数の和:163

約数の個数: 72

約数和(自身を含む): 18232704

約数和(自身を除く): 10254916

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 31, 49, 52, 62, 91, 98, 101, 124, 182, 196, 202, 217, 364, 403, 404, 434, 637, 707, 806, 868, 1274, 1313, 1414, 1519, 1612, 2548, 2626, 2821, 2828, 3038, 3131, 4949, 5252, 5642, 6076, 6262, 9191, 9898, 11284, 12524, 18382, 19747, 19796, 21917, 36764, 39494, 40703, 43834, 64337, 78988, 81406, 87668, 128674, 153419, 162812, 257348, 284921, 306838, 569842, 613676, 1139684, 1994447, 3988894, 7977788]

約数ペア:

[(1, 7977788), (2, 3988894), (4, 1994447), (7, 1139684), (13, 613676), (14, 569842), (26, 306838), (28, 284921), (31, 257348), (49, 162812), (52, 153419), (62, 128674), (91, 87668), (98, 81406), (101, 78988), (124, 64337), (182, 43834), (196, 40703), (202, 39494), (217, 36764), (364, 21917), (403, 19796), (404, 19747), (434, 18382), (637, 12524), (707, 11284), (806, 9898), (868, 9191), (1274, 6262), (1313, 6076), (1414, 5642), (1519, 5252), (1612, 4949), (2548, 3131), (2626, 3038), (2821, 2828)]