72261868

素因数分解:

$2^2\times 7^3\times {\mathrm{31}}^1\times {\mathrm{1699}}^1$

素因数の和:1755

約数の個数: 48

約数和(自身を含む): 152320000

約数和(自身を除く): 80058132

約数列:

[1, 2, 4, 7, 14, 28, 31, 49, 62, 98, 124, 196, 217, 343, 434, 686, 868, 1372, 1519, 1699, 3038, 3398, 6076, 6796, 10633, 11893, 21266, 23786, 42532, 47572, 52669, 83251, 105338, 166502, 210676, 333004, 368683, 582757, 737366, 1165514, 1474732, 2331028, 2580781, 5161562, 10323124, 18065467, 36130934, 72261868]

約数ペア:

[(1, 72261868), (2, 36130934), (4, 18065467), (7, 10323124), (14, 5161562), (28, 2580781), (31, 2331028), (49, 1474732), (62, 1165514), (98, 737366), (124, 582757), (196, 368683), (217, 333004), (343, 210676), (434, 166502), (686, 105338), (868, 83251), (1372, 52669), (1519, 47572), (1699, 42532), (3038, 23786), (3398, 21266), (6076, 11893), (6796, 10633)]