31813340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{3307}}^1$

素因数の和:3366

約数の個数: 48

約数和(自身を含む): 73913952

約数和(自身を除く): 42100612

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 37, 52, 65, 74, 130, 148, 185, 260, 370, 481, 740, 962, 1924, 2405, 3307, 4810, 6614, 9620, 13228, 16535, 33070, 42991, 66140, 85982, 122359, 171964, 214955, 244718, 429910, 489436, 611795, 859820, 1223590, 1590667, 2447180, 3181334, 6362668, 7953335, 15906670, 31813340]

約数ペア:

[(1, 31813340), (2, 15906670), (4, 7953335), (5, 6362668), (10, 3181334), (13, 2447180), (20, 1590667), (26, 1223590), (37, 859820), (52, 611795), (65, 489436), (74, 429910), (130, 244718), (148, 214955), (185, 171964), (260, 122359), (370, 85982), (481, 66140), (740, 42991), (962, 33070), (1924, 16535), (2405, 13228), (3307, 9620), (4810, 6614)]