1278904718

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{367}}^1\times {\mathrm{467}}^1$

素因数の和:897

約数の個数: 64

約数和(自身を含む): 2430425088

約数和(自身を除く): 1151520370

約数列:

[1, 2, 7, 13, 14, 26, 41, 82, 91, 182, 287, 367, 467, 533, 574, 734, 934, 1066, 2569, 3269, 3731, 4771, 5138, 6071, 6538, 7462, 9542, 12142, 15047, 19147, 30094, 33397, 38294, 42497, 66794, 84994, 105329, 134029, 171389, 195611, 210658, 248911, 268058, 342778, 391222, 497822, 1199723, 1369277, 1742377, 2228057, 2399446, 2738554, 3484754, 4456114, 7026949, 14053898, 15596399, 31192798, 49188643, 91350337, 98377286, 182700674, 639452359, 1278904718]

約数ペア:

[(1, 1278904718), (2, 639452359), (7, 182700674), (13, 98377286), (14, 91350337), (26, 49188643), (41, 31192798), (82, 15596399), (91, 14053898), (182, 7026949), (287, 4456114), (367, 3484754), (467, 2738554), (533, 2399446), (574, 2228057), (734, 1742377), (934, 1369277), (1066, 1199723), (2569, 497822), (3269, 391222), (3731, 342778), (4771, 268058), (5138, 248911), (6071, 210658), (6538, 195611), (7462, 171389), (9542, 134029), (12142, 105329), (15047, 84994), (19147, 66794), (30094, 42497), (33397, 38294)]