681959390

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{314267}}^1$

素因数の和:314312

約数の個数: 32

約数和(自身を含む): 1448146944

約数和(自身を除く): 766187554

約数列:

[1, 2, 5, 7, 10, 14, 31, 35, 62, 70, 155, 217, 310, 434, 1085, 2170, 314267, 628534, 1571335, 2199869, 3142670, 4399738, 9742277, 10999345, 19484554, 21998690, 48711385, 68195939, 97422770, 136391878, 340979695, 681959390]

約数ペア:

[(1, 681959390), (2, 340979695), (5, 136391878), (7, 97422770), (10, 68195939), (14, 48711385), (31, 21998690), (35, 19484554), (62, 10999345), (70, 9742277), (155, 4399738), (217, 3142670), (310, 2199869), (434, 1571335), (1085, 628534), (2170, 314267)]