291257358

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{2141}}^1$

素因数の和:2273

約数の個数: 64

約数和(自身を含む): 690923520

約数和(自身を除く): 399666162

約数列:

[1, 2, 3, 6, 7, 14, 21, 41, 42, 79, 82, 123, 158, 237, 246, 287, 474, 553, 574, 861, 1106, 1659, 1722, 2141, 3239, 3318, 4282, 6423, 6478, 9717, 12846, 14987, 19434, 22673, 29974, 44961, 45346, 68019, 87781, 89922, 136038, 169139, 175562, 263343, 338278, 507417, 526686, 614467, 1014834, 1183973, 1228934, 1843401, 2367946, 3551919, 3686802, 6934699, 7103838, 13869398, 20804097, 41608194, 48542893, 97085786, 145628679, 291257358]

約数ペア:

[(1, 291257358), (2, 145628679), (3, 97085786), (6, 48542893), (7, 41608194), (14, 20804097), (21, 13869398), (41, 7103838), (42, 6934699), (79, 3686802), (82, 3551919), (123, 2367946), (158, 1843401), (237, 1228934), (246, 1183973), (287, 1014834), (474, 614467), (553, 526686), (574, 507417), (861, 338278), (1106, 263343), (1659, 175562), (1722, 169139), (2141, 136038), (3239, 89922), (3318, 87781), (4282, 68019), (6423, 45346), (6478, 44961), (9717, 29974), (12846, 22673), (14987, 19434)]