205551996

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^2\times {\mathrm{79}}^1\times {\mathrm{1283}}^1$

素因数の和:1395

約数の個数: 72

約数和(自身を含む): 526337280

約数和(自身を除く): 320785284

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 79, 156, 158, 169, 237, 316, 338, 474, 507, 676, 948, 1014, 1027, 1283, 2028, 2054, 2566, 3081, 3849, 4108, 5132, 6162, 7698, 12324, 13351, 15396, 16679, 26702, 33358, 40053, 50037, 53404, 66716, 80106, 100074, 101357, 160212, 200148, 202714, 216827, 304071, 405428, 433654, 608142, 650481, 867308, 1216284, 1300962, 1317641, 2601924, 2635282, 3952923, 5270564, 7905846, 15811692, 17129333, 34258666, 51387999, 68517332, 102775998, 205551996]

約数ペア:

[(1, 205551996), (2, 102775998), (3, 68517332), (4, 51387999), (6, 34258666), (12, 17129333), (13, 15811692), (26, 7905846), (39, 5270564), (52, 3952923), (78, 2635282), (79, 2601924), (156, 1317641), (158, 1300962), (169, 1216284), (237, 867308), (316, 650481), (338, 608142), (474, 433654), (507, 405428), (676, 304071), (948, 216827), (1014, 202714), (1027, 200148), (1283, 160212), (2028, 101357), (2054, 100074), (2566, 80106), (3081, 66716), (3849, 53404), (4108, 50037), (5132, 40053), (6162, 33358), (7698, 26702), (12324, 16679), (13351, 15396)]