79788956

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{131}}^1$

素因数の和:231

約数の個数: 72

約数和(自身を含む): 164357424

約数和(自身を除く): 84568468

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 53, 68, 106, 131, 169, 212, 221, 262, 338, 442, 524, 676, 689, 884, 901, 1378, 1703, 1802, 2227, 2756, 2873, 3406, 3604, 4454, 5746, 6812, 6943, 8908, 8957, 11492, 11713, 13886, 17914, 22139, 23426, 27772, 28951, 35828, 44278, 46852, 57902, 88556, 90259, 115804, 118031, 152269, 180518, 236062, 304538, 361036, 376363, 472124, 609076, 752726, 1173367, 1505452, 1534403, 2346734, 3068806, 4693468, 6137612, 19947239, 39894478, 79788956]

約数ペア:

[(1, 79788956), (2, 39894478), (4, 19947239), (13, 6137612), (17, 4693468), (26, 3068806), (34, 2346734), (52, 1534403), (53, 1505452), (68, 1173367), (106, 752726), (131, 609076), (169, 472124), (212, 376363), (221, 361036), (262, 304538), (338, 236062), (442, 180518), (524, 152269), (676, 118031), (689, 115804), (884, 90259), (901, 88556), (1378, 57902), (1703, 46852), (1802, 44278), (2227, 35828), (2756, 28951), (2873, 27772), (3406, 23426), (3604, 22139), (4454, 17914), (5746, 13886), (6812, 11713), (6943, 11492), (8908, 8957)]