257465964

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{34439}}^1$

素因数の和:34542

約数の個数: 48

約数和(自身を含む): 694310400

約数和(自身を除く): 436844436

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 89, 178, 267, 356, 534, 623, 1068, 1246, 1869, 2492, 3738, 7476, 34439, 68878, 103317, 137756, 206634, 241073, 413268, 482146, 723219, 964292, 1446438, 2892876, 3065071, 6130142, 9195213, 12260284, 18390426, 21455497, 36780852, 42910994, 64366491, 85821988, 128732982, 257465964]

約数ペア:

[(1, 257465964), (2, 128732982), (3, 85821988), (4, 64366491), (6, 42910994), (7, 36780852), (12, 21455497), (14, 18390426), (21, 12260284), (28, 9195213), (42, 6130142), (84, 3065071), (89, 2892876), (178, 1446438), (267, 964292), (356, 723219), (534, 482146), (623, 413268), (1068, 241073), (1246, 206634), (1869, 137756), (2492, 103317), (3738, 68878), (7476, 34439)]