668728878

素因数分解:

$2^1\times 3^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{101}}^1\times {\mathrm{443}}^1$

素因数の和:649

約数の個数: 64

約数和(自身を含む): 1408637952

約数和(自身を除く): 739909074

約数列:

[1, 2, 3, 6, 47, 53, 94, 101, 106, 141, 159, 202, 282, 303, 318, 443, 606, 886, 1329, 2491, 2658, 4747, 4982, 5353, 7473, 9494, 10706, 14241, 14946, 16059, 20821, 23479, 28482, 32118, 41642, 44743, 46958, 62463, 70437, 89486, 124926, 134229, 140874, 251591, 268458, 503182, 754773, 1103513, 1509546, 2102921, 2207026, 2371379, 3310539, 4205842, 4742758, 6308763, 6621078, 7114137, 12617526, 14228274, 111454813, 222909626, 334364439, 668728878]

約数ペア:

[(1, 668728878), (2, 334364439), (3, 222909626), (6, 111454813), (47, 14228274), (53, 12617526), (94, 7114137), (101, 6621078), (106, 6308763), (141, 4742758), (159, 4205842), (202, 3310539), (282, 2371379), (303, 2207026), (318, 2102921), (443, 1509546), (606, 1103513), (886, 754773), (1329, 503182), (2491, 268458), (2658, 251591), (4747, 140874), (4982, 134229), (5353, 124926), (7473, 89486), (9494, 70437), (10706, 62463), (14241, 46958), (14946, 44743), (16059, 41642), (20821, 32118), (23479, 28482)]