78990704

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{251}}^1$

素因数の和:378

約数の個数: 80

約数和(自身を含む): 177176160

約数和(自身を除く): 98185456

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 34, 52, 68, 89, 104, 136, 178, 208, 221, 251, 272, 356, 442, 502, 712, 884, 1004, 1157, 1424, 1513, 1768, 2008, 2314, 3026, 3263, 3536, 4016, 4267, 4628, 6052, 6526, 8534, 9256, 12104, 13052, 17068, 18512, 19669, 22339, 24208, 26104, 34136, 39338, 44678, 52208, 55471, 68272, 78676, 89356, 110942, 157352, 178712, 221884, 290407, 314704, 357424, 379763, 443768, 580814, 759526, 887536, 1161628, 1519052, 2323256, 3038104, 4646512, 4936919, 6076208, 9873838, 19747676, 39495352, 78990704]

約数ペア:

[(1, 78990704), (2, 39495352), (4, 19747676), (8, 9873838), (13, 6076208), (16, 4936919), (17, 4646512), (26, 3038104), (34, 2323256), (52, 1519052), (68, 1161628), (89, 887536), (104, 759526), (136, 580814), (178, 443768), (208, 379763), (221, 357424), (251, 314704), (272, 290407), (356, 221884), (442, 178712), (502, 157352), (712, 110942), (884, 89356), (1004, 78676), (1157, 68272), (1424, 55471), (1513, 52208), (1768, 44678), (2008, 39338), (2314, 34136), (3026, 26104), (3263, 24208), (3536, 22339), (4016, 19669), (4267, 18512), (4628, 17068), (6052, 13052), (6526, 12104), (8534, 9256)]