261190128

素因数分解:

$2^4\times 3^1\times {\mathrm{31}}^1\times {\mathrm{257}}^1\times {\mathrm{683}}^1$

素因数の和:982

約数の個数: 80

約数和(自身を含む): 700240896

約数和(自身を除く): 439050768

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 48, 62, 93, 124, 186, 248, 257, 372, 496, 514, 683, 744, 771, 1028, 1366, 1488, 1542, 2049, 2056, 2732, 3084, 4098, 4112, 5464, 6168, 7967, 8196, 10928, 12336, 15934, 16392, 21173, 23901, 31868, 32784, 42346, 47802, 63519, 63736, 84692, 95604, 127038, 127472, 169384, 175531, 191208, 254076, 338768, 351062, 382416, 508152, 526593, 702124, 1016304, 1053186, 1404248, 2106372, 2808496, 4212744, 5441461, 8425488, 10882922, 16324383, 21765844, 32648766, 43531688, 65297532, 87063376, 130595064, 261190128]

約数ペア:

[(1, 261190128), (2, 130595064), (3, 87063376), (4, 65297532), (6, 43531688), (8, 32648766), (12, 21765844), (16, 16324383), (24, 10882922), (31, 8425488), (48, 5441461), (62, 4212744), (93, 2808496), (124, 2106372), (186, 1404248), (248, 1053186), (257, 1016304), (372, 702124), (496, 526593), (514, 508152), (683, 382416), (744, 351062), (771, 338768), (1028, 254076), (1366, 191208), (1488, 175531), (1542, 169384), (2049, 127472), (2056, 127038), (2732, 95604), (3084, 84692), (4098, 63736), (4112, 63519), (5464, 47802), (6168, 42346), (7967, 32784), (8196, 31868), (10928, 23901), (12336, 21173), (15934, 16392)]