642215756

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{307}}^1\times {\mathrm{821}}^1$

素因数の和:1159

約数の個数: 72

約数和(自身を含む): 1414241136

約数和(自身を除く): 772025380

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 49, 52, 91, 98, 182, 196, 307, 364, 614, 637, 821, 1228, 1274, 1642, 2149, 2548, 3284, 3991, 4298, 5747, 7982, 8596, 10673, 11494, 15043, 15964, 21346, 22988, 27937, 30086, 40229, 42692, 55874, 60172, 74711, 80458, 111748, 149422, 160916, 195559, 252047, 298844, 391118, 504094, 522977, 782236, 1008188, 1045954, 1764329, 2091908, 3276611, 3528658, 6553222, 7057316, 12350303, 13106444, 22936277, 24700606, 45872554, 49401212, 91745108, 160553939, 321107878, 642215756]

約数ペア:

[(1, 642215756), (2, 321107878), (4, 160553939), (7, 91745108), (13, 49401212), (14, 45872554), (26, 24700606), (28, 22936277), (49, 13106444), (52, 12350303), (91, 7057316), (98, 6553222), (182, 3528658), (196, 3276611), (307, 2091908), (364, 1764329), (614, 1045954), (637, 1008188), (821, 782236), (1228, 522977), (1274, 504094), (1642, 391118), (2149, 298844), (2548, 252047), (3284, 195559), (3991, 160916), (4298, 149422), (5747, 111748), (7982, 80458), (8596, 74711), (10673, 60172), (11494, 55874), (15043, 42692), (15964, 40229), (21346, 30086), (22988, 27937)]