408020144

素因数分解:

$2^4\times 7^1\times {\mathrm{89}}^1\times {\mathrm{40933}}^1$

素因数の和:41037

約数の個数: 40

約数和(自身を含む): 913646880

約数和(自身を除く): 505626736

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 89, 112, 178, 356, 623, 712, 1246, 1424, 2492, 4984, 9968, 40933, 81866, 163732, 286531, 327464, 573062, 654928, 1146124, 2292248, 3643037, 4584496, 7286074, 14572148, 25501259, 29144296, 51002518, 58288592, 102005036, 204010072, 408020144]

約数ペア:

[(1, 408020144), (2, 204010072), (4, 102005036), (7, 58288592), (8, 51002518), (14, 29144296), (16, 25501259), (28, 14572148), (56, 7286074), (89, 4584496), (112, 3643037), (178, 2292248), (356, 1146124), (623, 654928), (712, 573062), (1246, 327464), (1424, 286531), (2492, 163732), (4984, 81866), (9968, 40933)]