489463390

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{61723}}^1$

素因数の和:61804

約数の個数: 32

約数和(自身を含む): 964375776

約数和(自身を除く): 474912386

約数列:

[1, 2, 5, 10, 13, 26, 61, 65, 122, 130, 305, 610, 793, 1586, 3965, 7930, 61723, 123446, 308615, 617230, 802399, 1604798, 3765103, 4011995, 7530206, 8023990, 18825515, 37651030, 48946339, 97892678, 244731695, 489463390]

約数ペア:

[(1, 489463390), (2, 244731695), (5, 97892678), (10, 48946339), (13, 37651030), (26, 18825515), (61, 8023990), (65, 7530206), (122, 4011995), (130, 3765103), (305, 1604798), (610, 802399), (793, 617230), (1586, 308615), (3965, 123446), (7930, 61723)]