638066702

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{4987}}^1$

素因数の和:5065

約数の個数: 64

約数和(自身を含む): 1273735680

約数和(自身を除く): 635668978

約数列:

[1, 2, 7, 13, 14, 19, 26, 37, 38, 74, 91, 133, 182, 247, 259, 266, 481, 494, 518, 703, 962, 1406, 1729, 3367, 3458, 4921, 4987, 6734, 9139, 9842, 9974, 18278, 34909, 63973, 64831, 69818, 94753, 127946, 129662, 184519, 189506, 369038, 453817, 663271, 907634, 1231789, 1291633, 1326542, 2398747, 2463578, 2583266, 3505861, 4797494, 7011722, 8622523, 16791229, 17245046, 24541027, 33582458, 45576193, 49082054, 91152386, 319033351, 638066702]

約数ペア:

[(1, 638066702), (2, 319033351), (7, 91152386), (13, 49082054), (14, 45576193), (19, 33582458), (26, 24541027), (37, 17245046), (38, 16791229), (74, 8622523), (91, 7011722), (133, 4797494), (182, 3505861), (247, 2583266), (259, 2463578), (266, 2398747), (481, 1326542), (494, 1291633), (518, 1231789), (703, 907634), (962, 663271), (1406, 453817), (1729, 369038), (3367, 189506), (3458, 184519), (4921, 129662), (4987, 127946), (6734, 94753), (9139, 69818), (9842, 64831), (9974, 63973), (18278, 34909)]