7858281808

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{673}}^1\times {\mathrm{769}}^1$

素因数の和:1536

約数の個数: 80

約数和(自身を含む): 16667561680

約数和(自身を除く): 8809279872

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 73, 104, 146, 208, 292, 584, 673, 769, 949, 1168, 1346, 1538, 1898, 2692, 3076, 3796, 5384, 6152, 7592, 8749, 9997, 10768, 12304, 15184, 17498, 19994, 34996, 39988, 49129, 56137, 69992, 79976, 98258, 112274, 139984, 159952, 196516, 224548, 393032, 449096, 517537, 638677, 729781, 786064, 898192, 1035074, 1277354, 1459562, 2070148, 2554708, 2919124, 4140296, 5109416, 5838248, 6727981, 8280592, 10218832, 11676496, 13455962, 26911924, 37780201, 53823848, 75560402, 107647696, 151120804, 302241608, 491142613, 604483216, 982285226, 1964570452, 3929140904, 7858281808]

約数ペア:

[(1, 7858281808), (2, 3929140904), (4, 1964570452), (8, 982285226), (13, 604483216), (16, 491142613), (26, 302241608), (52, 151120804), (73, 107647696), (104, 75560402), (146, 53823848), (208, 37780201), (292, 26911924), (584, 13455962), (673, 11676496), (769, 10218832), (949, 8280592), (1168, 6727981), (1346, 5838248), (1538, 5109416), (1898, 4140296), (2692, 2919124), (3076, 2554708), (3796, 2070148), (5384, 1459562), (6152, 1277354), (7592, 1035074), (8749, 898192), (9997, 786064), (10768, 729781), (12304, 638677), (15184, 517537), (17498, 449096), (19994, 393032), (34996, 224548), (39988, 196516), (49129, 159952), (56137, 139984), (69992, 112274), (79976, 98258)]