81661936

素因数分解:

$2^4\times {\mathrm{31}}^2\times {\mathrm{47}}^1\times {\mathrm{113}}^1$

素因数の和:230

約数の個数: 60

約数和(自身を含む): 168444576

約数和(自身を除く): 86782640

約数列:

[1, 2, 4, 8, 16, 31, 47, 62, 94, 113, 124, 188, 226, 248, 376, 452, 496, 752, 904, 961, 1457, 1808, 1922, 2914, 3503, 3844, 5311, 5828, 7006, 7688, 10622, 11656, 14012, 15376, 21244, 23312, 28024, 42488, 45167, 56048, 84976, 90334, 108593, 164641, 180668, 217186, 329282, 361336, 434372, 658564, 722672, 868744, 1317128, 1737488, 2634256, 5103871, 10207742, 20415484, 40830968, 81661936]

約数ペア:

[(1, 81661936), (2, 40830968), (4, 20415484), (8, 10207742), (16, 5103871), (31, 2634256), (47, 1737488), (62, 1317128), (94, 868744), (113, 722672), (124, 658564), (188, 434372), (226, 361336), (248, 329282), (376, 217186), (452, 180668), (496, 164641), (752, 108593), (904, 90334), (961, 84976), (1457, 56048), (1808, 45167), (1922, 42488), (2914, 28024), (3503, 23312), (3844, 21244), (5311, 15376), (5828, 14012), (7006, 11656), (7688, 10622)]