79781065

素因数分解:

$5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{677}}^1$

素因数の和:746

約数の個数: 48

約数和(自身を含む): 123358032

約数和(自身を除く): 43576967

約数列:

[1, 5, 7, 13, 35, 37, 49, 65, 91, 185, 245, 259, 455, 481, 637, 677, 1295, 1813, 2405, 3185, 3367, 3385, 4739, 8801, 9065, 16835, 23569, 23695, 25049, 33173, 44005, 61607, 117845, 125245, 165865, 175343, 308035, 325637, 431249, 876715, 1227401, 1628185, 2156245, 2279459, 6137005, 11397295, 15956213, 79781065]

約数ペア:

[(1, 79781065), (5, 15956213), (7, 11397295), (13, 6137005), (35, 2279459), (37, 2156245), (49, 1628185), (65, 1227401), (91, 876715), (185, 431249), (245, 325637), (259, 308035), (455, 175343), (481, 165865), (637, 125245), (677, 117845), (1295, 61607), (1813, 44005), (2405, 33173), (3185, 25049), (3367, 23695), (3385, 23569), (4739, 16835), (8801, 9065)]