78941828

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{191}}^1\times {\mathrm{509}}^1$

素因数の和:740

約数の個数: 48

約数和(自身を含む): 164505600

約数和(自身を除く): 85563772

約数列:

[1, 2, 4, 7, 14, 28, 29, 58, 116, 191, 203, 382, 406, 509, 764, 812, 1018, 1337, 2036, 2674, 3563, 5348, 5539, 7126, 11078, 14252, 14761, 22156, 29522, 38773, 59044, 77546, 97219, 103327, 155092, 194438, 206654, 388876, 413308, 680533, 1361066, 2722132, 2819351, 5638702, 11277404, 19735457, 39470914, 78941828]

約数ペア:

[(1, 78941828), (2, 39470914), (4, 19735457), (7, 11277404), (14, 5638702), (28, 2819351), (29, 2722132), (58, 1361066), (116, 680533), (191, 413308), (203, 388876), (382, 206654), (406, 194438), (509, 155092), (764, 103327), (812, 97219), (1018, 77546), (1337, 59044), (2036, 38773), (2674, 29522), (3563, 22156), (5348, 14761), (5539, 14252), (7126, 11078)]