1640390955

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{193}}^1\times {\mathrm{1327}}^1$

素因数の和:1596

約数の個数: 64

約数和(自身を含む): 3066851328

約数和(自身を除く): 1426460373

約数列:

[1, 3, 5, 7, 15, 21, 35, 61, 105, 183, 193, 305, 427, 579, 915, 965, 1281, 1327, 1351, 2135, 2895, 3981, 4053, 6405, 6635, 6755, 9289, 11773, 19905, 20265, 27867, 35319, 46445, 58865, 80947, 82411, 139335, 176595, 242841, 247233, 256111, 404735, 412055, 566629, 768333, 1214205, 1236165, 1280555, 1699887, 1792777, 2833145, 3841665, 5378331, 8499435, 8963885, 15622771, 26891655, 46868313, 78113855, 109359397, 234341565, 328078191, 546796985, 1640390955]

約数ペア:

[(1, 1640390955), (3, 546796985), (5, 328078191), (7, 234341565), (15, 109359397), (21, 78113855), (35, 46868313), (61, 26891655), (105, 15622771), (183, 8963885), (193, 8499435), (305, 5378331), (427, 3841665), (579, 2833145), (915, 1792777), (965, 1699887), (1281, 1280555), (1327, 1236165), (1351, 1214205), (2135, 768333), (2895, 566629), (3981, 412055), (4053, 404735), (6405, 256111), (6635, 247233), (6755, 242841), (9289, 176595), (11773, 139335), (19905, 82411), (20265, 80947), (27867, 58865), (35319, 46445)]