648142364

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{167}}^1\times {\mathrm{223}}^1\times {\mathrm{229}}^1$

素因数の和:642

約数の個数: 48

約数和(自身を含む): 1211750400

約数和(自身を除く): 563608036

約数列:

[1, 2, 4, 19, 38, 76, 167, 223, 229, 334, 446, 458, 668, 892, 916, 3173, 4237, 4351, 6346, 8474, 8702, 12692, 16948, 17404, 37241, 38243, 51067, 74482, 76486, 102134, 148964, 152972, 204268, 707579, 726617, 970273, 1415158, 1453234, 1940546, 2830316, 2906468, 3881092, 8528189, 17056378, 34112756, 162035591, 324071182, 648142364]

約数ペア:

[(1, 648142364), (2, 324071182), (4, 162035591), (19, 34112756), (38, 17056378), (76, 8528189), (167, 3881092), (223, 2906468), (229, 2830316), (334, 1940546), (446, 1453234), (458, 1415158), (668, 970273), (892, 726617), (916, 707579), (3173, 204268), (4237, 152972), (4351, 148964), (6346, 102134), (8474, 76486), (8702, 74482), (12692, 51067), (16948, 38243), (17404, 37241)]