253441458

素因数分解:

$2^1\times 3^2\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{3251}}^1$

素因数の和:3391

約数の個数: 48

約数和(自身を含む): 566160192

約数和(自身を除く): 312718734

約数列:

[1, 2, 3, 6, 9, 18, 61, 71, 122, 142, 183, 213, 366, 426, 549, 639, 1098, 1278, 3251, 4331, 6502, 8662, 9753, 12993, 19506, 25986, 29259, 38979, 58518, 77958, 198311, 230821, 396622, 461642, 594933, 692463, 1189866, 1384926, 1784799, 2077389, 3569598, 4154778, 14080081, 28160162, 42240243, 84480486, 126720729, 253441458]

約数ペア:

[(1, 253441458), (2, 126720729), (3, 84480486), (6, 42240243), (9, 28160162), (18, 14080081), (61, 4154778), (71, 3569598), (122, 2077389), (142, 1784799), (183, 1384926), (213, 1189866), (366, 692463), (426, 594933), (549, 461642), (639, 396622), (1098, 230821), (1278, 198311), (3251, 77958), (4331, 58518), (6502, 38979), (8662, 29259), (9753, 25986), (12993, 19506)]