16985830

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{349}}^1$

素因数の和:544

約数の個数: 32

約数和(自身を含む): 31852800

約数和(自身を除く): 14866970

約数列:

[1, 2, 5, 10, 31, 62, 155, 157, 310, 314, 349, 698, 785, 1570, 1745, 3490, 4867, 9734, 10819, 21638, 24335, 48670, 54095, 54793, 108190, 109586, 273965, 547930, 1698583, 3397166, 8492915, 16985830]

約数ペア:

[(1, 16985830), (2, 8492915), (5, 3397166), (10, 1698583), (31, 547930), (62, 273965), (155, 109586), (157, 108190), (310, 54793), (314, 54095), (349, 48670), (698, 24335), (785, 21638), (1570, 10819), (1745, 9734), (3490, 4867)]