81552016

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{709}}^1$

素因数の和:816

約数の個数: 80

約数和(自身を含む): 197209600

約数和(自身を除く): 115657584

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 79, 91, 104, 112, 158, 182, 208, 316, 364, 553, 632, 709, 728, 1027, 1106, 1264, 1418, 1456, 2054, 2212, 2836, 4108, 4424, 4963, 5672, 7189, 8216, 8848, 9217, 9926, 11344, 14378, 16432, 18434, 19852, 28756, 36868, 39704, 56011, 57512, 64519, 73736, 79408, 112022, 115024, 129038, 147472, 224044, 258076, 392077, 448088, 516152, 728143, 784154, 896176, 1032304, 1456286, 1568308, 2912572, 3136616, 5097001, 5825144, 6273232, 10194002, 11650288, 20388004, 40776008, 81552016]

約数ペア:

[(1, 81552016), (2, 40776008), (4, 20388004), (7, 11650288), (8, 10194002), (13, 6273232), (14, 5825144), (16, 5097001), (26, 3136616), (28, 2912572), (52, 1568308), (56, 1456286), (79, 1032304), (91, 896176), (104, 784154), (112, 728143), (158, 516152), (182, 448088), (208, 392077), (316, 258076), (364, 224044), (553, 147472), (632, 129038), (709, 115024), (728, 112022), (1027, 79408), (1106, 73736), (1264, 64519), (1418, 57512), (1456, 56011), (2054, 39704), (2212, 36868), (2836, 28756), (4108, 19852), (4424, 18434), (4963, 16432), (5672, 14378), (7189, 11344), (8216, 9926), (8848, 9217)]