40961739

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{149}}^1$

素因数の和:244

約数の個数: 64

約数和(自身を含む): 72576000

約数和(自身を除く): 31614261

約数列:

[1, 3, 7, 13, 19, 21, 39, 53, 57, 91, 133, 149, 159, 247, 273, 371, 399, 447, 689, 741, 1007, 1043, 1113, 1729, 1937, 2067, 2831, 3021, 3129, 4823, 5187, 5811, 7049, 7897, 8493, 13091, 13559, 14469, 19817, 21147, 23691, 36803, 39273, 40677, 55279, 59451, 91637, 102661, 110409, 150043, 165837, 257621, 274911, 307983, 450129, 718627, 772863, 1050301, 1950559, 2155881, 3150903, 5851677, 13653913, 40961739]

約数ペア:

[(1, 40961739), (3, 13653913), (7, 5851677), (13, 3150903), (19, 2155881), (21, 1950559), (39, 1050301), (53, 772863), (57, 718627), (91, 450129), (133, 307983), (149, 274911), (159, 257621), (247, 165837), (273, 150043), (371, 110409), (399, 102661), (447, 91637), (689, 59451), (741, 55279), (1007, 40677), (1043, 39273), (1113, 36803), (1729, 23691), (1937, 21147), (2067, 19817), (2831, 14469), (3021, 13559), (3129, 13091), (4823, 8493), (5187, 7897), (5811, 7049)]