71355928

素因数分解:

$2^3\times 7^1\times {\mathrm{89}}^1\times {\mathrm{103}}^1\times {\mathrm{139}}^1$

素因数の和:344

約数の個数: 64

約数和(自身を含む): 157248000

約数和(自身を除く): 85892072

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 89, 103, 139, 178, 206, 278, 356, 412, 556, 623, 712, 721, 824, 973, 1112, 1246, 1442, 1946, 2492, 2884, 3892, 4984, 5768, 7784, 9167, 12371, 14317, 18334, 24742, 28634, 36668, 49484, 57268, 64169, 73336, 86597, 98968, 100219, 114536, 128338, 173194, 200438, 256676, 346388, 400876, 513352, 692776, 801752, 1274213, 2548426, 5096852, 8919491, 10193704, 17838982, 35677964, 71355928]

約数ペア:

[(1, 71355928), (2, 35677964), (4, 17838982), (7, 10193704), (8, 8919491), (14, 5096852), (28, 2548426), (56, 1274213), (89, 801752), (103, 692776), (139, 513352), (178, 400876), (206, 346388), (278, 256676), (356, 200438), (412, 173194), (556, 128338), (623, 114536), (712, 100219), (721, 98968), (824, 86597), (973, 73336), (1112, 64169), (1246, 57268), (1442, 49484), (1946, 36668), (2492, 28634), (2884, 24742), (3892, 18334), (4984, 14317), (5768, 12371), (7784, 9167)]