245206458

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{61}}^2\times {\mathrm{523}}^1$

素因数の和:660

約数の個数: 72

約数和(自身を含む): 618475104

約数和(自身を除く): 373268646

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 61, 63, 122, 126, 183, 366, 427, 523, 549, 854, 1046, 1098, 1281, 1569, 2562, 3138, 3661, 3721, 3843, 4707, 7322, 7442, 7686, 9414, 10983, 11163, 21966, 22326, 26047, 31903, 32949, 33489, 52094, 63806, 65898, 66978, 78141, 95709, 156282, 191418, 223321, 234423, 287127, 446642, 468846, 574254, 669963, 1339926, 1946083, 2009889, 3892166, 4019778, 5838249, 11676498, 13622581, 17514747, 27245162, 35029494, 40867743, 81735486, 122603229, 245206458]

約数ペア:

[(1, 245206458), (2, 122603229), (3, 81735486), (6, 40867743), (7, 35029494), (9, 27245162), (14, 17514747), (18, 13622581), (21, 11676498), (42, 5838249), (61, 4019778), (63, 3892166), (122, 2009889), (126, 1946083), (183, 1339926), (366, 669963), (427, 574254), (523, 468846), (549, 446642), (854, 287127), (1046, 234423), (1098, 223321), (1281, 191418), (1569, 156282), (2562, 95709), (3138, 78141), (3661, 66978), (3721, 65898), (3843, 63806), (4707, 52094), (7322, 33489), (7442, 32949), (7686, 31903), (9414, 26047), (10983, 22326), (11163, 21966)]