225679690

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{557}}^1\times {\mathrm{1307}}^1$

素因数の和:1902

約数の個数: 32

約数和(自身を含む): 420401664

約数和(自身を除く): 194721974

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 557, 1114, 1307, 2614, 2785, 5570, 6535, 13070, 17267, 34534, 40517, 81034, 86335, 172670, 202585, 405170, 727999, 1455998, 3639995, 7279990, 22567969, 45135938, 112839845, 225679690]

約数ペア:

[(1, 225679690), (2, 112839845), (5, 45135938), (10, 22567969), (31, 7279990), (62, 3639995), (155, 1455998), (310, 727999), (557, 405170), (1114, 202585), (1307, 172670), (2614, 86335), (2785, 81034), (5570, 40517), (6535, 34534), (13070, 17267)]