131873508

素因数分解:

$2^2\times 3^4\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{239}}^1$

素因数の和:399

約数の個数: 120

約数和(自身を含む): 375661440

約数和(自身を除く): 243787932

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 36, 39, 52, 54, 78, 81, 108, 117, 131, 156, 162, 234, 239, 262, 324, 351, 393, 468, 478, 524, 702, 717, 786, 956, 1053, 1179, 1404, 1434, 1572, 1703, 2106, 2151, 2358, 2868, 3107, 3406, 3537, 4212, 4302, 4716, 5109, 6214, 6453, 6812, 7074, 8604, 9321, 10218, 10611, 12428, 12906, 14148, 15327, 18642, 19359, 20436, 21222, 25812, 27963, 30654, 31309, 37284, 38718, 42444, 45981, 55926, 61308, 62618, 77436, 83889, 91962, 93927, 111852, 125236, 137943, 167778, 183924, 187854, 251667, 275886, 281781, 335556, 375708, 407017, 503334, 551772, 563562, 814034, 845343, 1006668, 1127124, 1221051, 1628068, 1690686, 2442102, 2536029, 3381372, 3663153, 4884204, 5072058, 7326306, 10144116, 10989459, 14652612, 21978918, 32968377, 43957836, 65936754, 131873508]

約数ペア:

[(1, 131873508), (2, 65936754), (3, 43957836), (4, 32968377), (6, 21978918), (9, 14652612), (12, 10989459), (13, 10144116), (18, 7326306), (26, 5072058), (27, 4884204), (36, 3663153), (39, 3381372), (52, 2536029), (54, 2442102), (78, 1690686), (81, 1628068), (108, 1221051), (117, 1127124), (131, 1006668), (156, 845343), (162, 814034), (234, 563562), (239, 551772), (262, 503334), (324, 407017), (351, 375708), (393, 335556), (468, 281781), (478, 275886), (524, 251667), (702, 187854), (717, 183924), (786, 167778), (956, 137943), (1053, 125236), (1179, 111852), (1404, 93927), (1434, 91962), (1572, 83889), (1703, 77436), (2106, 62618), (2151, 61308), (2358, 55926), (2868, 45981), (3107, 42444), (3406, 38718), (3537, 37284), (4212, 31309), (4302, 30654), (4716, 27963), (5109, 25812), (6214, 21222), (6453, 20436), (6812, 19359), (7074, 18642), (8604, 15327), (9321, 14148), (10218, 12906), (10611, 12428)]