31721150

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{557}}^1$

素因数の和:653

約数の個数: 48

約数和(自身を含む): 63518256

約数和(自身を除く): 31797106

約数列:

[1, 2, 5, 10, 17, 25, 34, 50, 67, 85, 134, 170, 335, 425, 557, 670, 850, 1114, 1139, 1675, 2278, 2785, 3350, 5570, 5695, 9469, 11390, 13925, 18938, 27850, 28475, 37319, 47345, 56950, 74638, 94690, 186595, 236725, 373190, 473450, 634423, 932975, 1268846, 1865950, 3172115, 6344230, 15860575, 31721150]

約数ペア:

[(1, 31721150), (2, 15860575), (5, 6344230), (10, 3172115), (17, 1865950), (25, 1268846), (34, 932975), (50, 634423), (67, 473450), (85, 373190), (134, 236725), (170, 186595), (335, 94690), (425, 74638), (557, 56950), (670, 47345), (850, 37319), (1114, 28475), (1139, 27850), (1675, 18938), (2278, 13925), (2785, 11390), (3350, 9469), (5570, 5695)]