687783404

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{2141}}^1$

素因数の和:2319

約数の個数: 72

約数和(自身を含む): 1538384400

約数和(自身を除く): 850600996

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 49, 77, 98, 149, 154, 196, 298, 308, 539, 596, 1043, 1078, 1639, 2086, 2141, 2156, 3278, 4172, 4282, 6556, 7301, 8564, 11473, 14602, 14987, 22946, 23551, 29204, 29974, 45892, 47102, 59948, 80311, 94204, 104909, 160622, 164857, 209818, 319009, 321244, 329714, 419636, 638018, 659428, 1153999, 1276036, 2233063, 2307998, 3509099, 4466126, 4615996, 7018198, 8932252, 14036396, 15631441, 24563693, 31262882, 49127386, 62525764, 98254772, 171945851, 343891702, 687783404]

約数ペア:

[(1, 687783404), (2, 343891702), (4, 171945851), (7, 98254772), (11, 62525764), (14, 49127386), (22, 31262882), (28, 24563693), (44, 15631441), (49, 14036396), (77, 8932252), (98, 7018198), (149, 4615996), (154, 4466126), (196, 3509099), (298, 2307998), (308, 2233063), (539, 1276036), (596, 1153999), (1043, 659428), (1078, 638018), (1639, 419636), (2086, 329714), (2141, 321244), (2156, 319009), (3278, 209818), (4172, 164857), (4282, 160622), (6556, 104909), (7301, 94204), (8564, 80311), (11473, 59948), (14602, 47102), (14987, 45892), (22946, 29974), (23551, 29204)]