215955236

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{149}}^1\times {\mathrm{1399}}^1$

素因数の和:1596

約数の個数: 48

約数和(自身を含む): 446880000

約数和(自身を除く): 230924764

約数列:

[1, 2, 4, 7, 14, 28, 37, 74, 148, 149, 259, 298, 518, 596, 1036, 1043, 1399, 2086, 2798, 4172, 5513, 5596, 9793, 11026, 19586, 22052, 38591, 39172, 51763, 77182, 103526, 154364, 207052, 208451, 362341, 416902, 724682, 833804, 1449364, 1459157, 2918314, 5836628, 7712687, 15425374, 30850748, 53988809, 107977618, 215955236]

約数ペア:

[(1, 215955236), (2, 107977618), (4, 53988809), (7, 30850748), (14, 15425374), (28, 7712687), (37, 5836628), (74, 2918314), (148, 1459157), (149, 1449364), (259, 833804), (298, 724682), (518, 416902), (596, 362341), (1036, 208451), (1043, 207052), (1399, 154364), (2086, 103526), (2798, 77182), (4172, 51763), (5513, 39172), (5596, 38591), (9793, 22052), (11026, 19586)]