139706728

素因数分解:

$2^3\times 7^1\times {\mathrm{53}}^1\times {\mathrm{103}}^1\times {\mathrm{457}}^1$

素因数の和:626

約数の個数: 64

約数和(自身を含む): 308655360

約数和(自身を除く): 168948632

約数列:

[1, 2, 4, 7, 8, 14, 28, 53, 56, 103, 106, 206, 212, 371, 412, 424, 457, 721, 742, 824, 914, 1442, 1484, 1828, 2884, 2968, 3199, 3656, 5459, 5768, 6398, 10918, 12796, 21836, 24221, 25592, 38213, 43672, 47071, 48442, 76426, 94142, 96884, 152852, 169547, 188284, 193768, 305704, 329497, 339094, 376568, 658994, 678188, 1317988, 1356376, 2494763, 2635976, 4989526, 9979052, 17463341, 19958104, 34926682, 69853364, 139706728]

約数ペア:

[(1, 139706728), (2, 69853364), (4, 34926682), (7, 19958104), (8, 17463341), (14, 9979052), (28, 4989526), (53, 2635976), (56, 2494763), (103, 1356376), (106, 1317988), (206, 678188), (212, 658994), (371, 376568), (412, 339094), (424, 329497), (457, 305704), (721, 193768), (742, 188284), (824, 169547), (914, 152852), (1442, 96884), (1484, 94142), (1828, 76426), (2884, 48442), (2968, 47071), (3199, 43672), (3656, 38213), (5459, 25592), (5768, 24221), (6398, 21836), (10918, 12796)]