291211240312

素因数分解:

$2^3\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{383}}^1\times {\mathrm{20149}}^1$

素因数の和:20680

約数の個数: 64

約数和(自身を含む): 564071040000

約数和(自身を除く): 272859799688

約数列:

[1, 2, 4, 8, 53, 89, 106, 178, 212, 356, 383, 424, 712, 766, 1532, 3064, 4717, 9434, 18868, 20149, 20299, 34087, 37736, 40298, 40598, 68174, 80596, 81196, 136348, 161192, 162392, 272696, 1067897, 1793261, 1806611, 2135794, 3586522, 3613222, 4271588, 7173044, 7226444, 7717067, 8543176, 14346088, 14452888, 15434134, 30868268, 61736536, 95042833, 190085666, 380171332, 409004551, 686818963, 760342664, 818009102, 1373637926, 1636018204, 2747275852, 3272036408, 5494551704, 36401405039, 72802810078, 145605620156, 291211240312]

約数ペア:

[(1, 291211240312), (2, 145605620156), (4, 72802810078), (8, 36401405039), (53, 5494551704), (89, 3272036408), (106, 2747275852), (178, 1636018204), (212, 1373637926), (356, 818009102), (383, 760342664), (424, 686818963), (712, 409004551), (766, 380171332), (1532, 190085666), (3064, 95042833), (4717, 61736536), (9434, 30868268), (18868, 15434134), (20149, 14452888), (20299, 14346088), (34087, 8543176), (37736, 7717067), (40298, 7226444), (40598, 7173044), (68174, 4271588), (80596, 3613222), (81196, 3586522), (136348, 2135794), (161192, 1806611), (162392, 1793261), (272696, 1067897)]