78876128

素因数分解:

$2^5\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{761}}^1$

素因数の和:891

約数の個数: 48

約数和(自身を含む): 161300160

約数和(自身を除く): 82424032

約数列:

[1, 2, 4, 8, 16, 32, 41, 79, 82, 158, 164, 316, 328, 632, 656, 761, 1264, 1312, 1522, 2528, 3044, 3239, 6088, 6478, 12176, 12956, 24352, 25912, 31201, 51824, 60119, 62402, 103648, 120238, 124804, 240476, 249608, 480952, 499216, 961904, 998432, 1923808, 2464879, 4929758, 9859516, 19719032, 39438064, 78876128]

約数ペア:

[(1, 78876128), (2, 39438064), (4, 19719032), (8, 9859516), (16, 4929758), (32, 2464879), (41, 1923808), (79, 998432), (82, 961904), (158, 499216), (164, 480952), (316, 249608), (328, 240476), (632, 124804), (656, 120238), (761, 103648), (1264, 62402), (1312, 60119), (1522, 51824), (2528, 31201), (3044, 25912), (3239, 24352), (6088, 12956), (6478, 12176)]