72791888

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{163}}^1$

素因数の和:316

約数の個数: 80

約数和(自身を含む): 162281280

約数和(自身を除く): 89489392

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 76, 104, 113, 152, 163, 208, 226, 247, 304, 326, 452, 494, 652, 904, 988, 1304, 1469, 1808, 1976, 2119, 2147, 2608, 2938, 3097, 3952, 4238, 4294, 5876, 6194, 8476, 8588, 11752, 12388, 16952, 17176, 18419, 23504, 24776, 27911, 33904, 34352, 36838, 40261, 49552, 55822, 73676, 80522, 111644, 147352, 161044, 223288, 239447, 294704, 322088, 349961, 446576, 478894, 644176, 699922, 957788, 1399844, 1915576, 2799688, 3831152, 4549493, 5599376, 9098986, 18197972, 36395944, 72791888]

約数ペア:

[(1, 72791888), (2, 36395944), (4, 18197972), (8, 9098986), (13, 5599376), (16, 4549493), (19, 3831152), (26, 2799688), (38, 1915576), (52, 1399844), (76, 957788), (104, 699922), (113, 644176), (152, 478894), (163, 446576), (208, 349961), (226, 322088), (247, 294704), (304, 239447), (326, 223288), (452, 161044), (494, 147352), (652, 111644), (904, 80522), (988, 73676), (1304, 55822), (1469, 49552), (1808, 40261), (1976, 36838), (2119, 34352), (2147, 33904), (2608, 27911), (2938, 24776), (3097, 23504), (3952, 18419), (4238, 17176), (4294, 16952), (5876, 12388), (6194, 11752), (8476, 8588)]