1639872836

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{43609}}^1$

素因数の和:43716

約数の個数: 48

約数和(自身を含む): 3516710400

約数和(自身を除く): 1876837564

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 79, 119, 158, 238, 316, 476, 553, 1106, 1343, 2212, 2686, 5372, 9401, 18802, 37604, 43609, 87218, 174436, 305263, 610526, 741353, 1221052, 1482706, 2965412, 3445111, 5189471, 6890222, 10378942, 13780444, 20757884, 24115777, 48231554, 58566887, 96463108, 117133774, 234267548, 409968209, 819936418, 1639872836]

約数ペア:

[(1, 1639872836), (2, 819936418), (4, 409968209), (7, 234267548), (14, 117133774), (17, 96463108), (28, 58566887), (34, 48231554), (68, 24115777), (79, 20757884), (119, 13780444), (158, 10378942), (238, 6890222), (316, 5189471), (476, 3445111), (553, 2965412), (1106, 1482706), (1343, 1221052), (2212, 741353), (2686, 610526), (5372, 305263), (9401, 174436), (18802, 87218), (37604, 43609)]