80417764

素因数分解:

$2^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{197}}^1\times {\mathrm{239}}^1$

素因数の和:508

約数の個数: 48

約数和(自身を含む): 164989440

約数和(自身を除く): 84571676

約数列:

[1, 2, 4, 7, 14, 28, 61, 122, 197, 239, 244, 394, 427, 478, 788, 854, 956, 1379, 1673, 1708, 2758, 3346, 5516, 6692, 12017, 14579, 24034, 29158, 47083, 48068, 58316, 84119, 94166, 102053, 168238, 188332, 204106, 329581, 336476, 408212, 659162, 1318324, 2872063, 5744126, 11488252, 20104441, 40208882, 80417764]

約数ペア:

[(1, 80417764), (2, 40208882), (4, 20104441), (7, 11488252), (14, 5744126), (28, 2872063), (61, 1318324), (122, 659162), (197, 408212), (239, 336476), (244, 329581), (394, 204106), (427, 188332), (478, 168238), (788, 102053), (854, 94166), (956, 84119), (1379, 58316), (1673, 48068), (1708, 47083), (2758, 29158), (3346, 24034), (5516, 14579), (6692, 12017)]