261031992

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^2\times {\mathrm{139}}^1\times {\mathrm{463}}^1$

素因数の和:637

約数の個数: 96

約数和(自身を含む): 713260800

約数和(自身を除く): 452228808

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 139, 156, 169, 278, 312, 338, 417, 463, 507, 556, 676, 834, 926, 1014, 1112, 1352, 1389, 1668, 1807, 1852, 2028, 2778, 3336, 3614, 3704, 4056, 5421, 5556, 6019, 7228, 10842, 11112, 12038, 14456, 18057, 21684, 23491, 24076, 36114, 43368, 46982, 48152, 64357, 70473, 72228, 78247, 93964, 128714, 140946, 144456, 156494, 187928, 193071, 234741, 257428, 281892, 312988, 386142, 469482, 514856, 563784, 625976, 772284, 836641, 938964, 1544568, 1673282, 1877928, 2509923, 3346564, 5019846, 6693128, 10039692, 10876333, 20079384, 21752666, 32628999, 43505332, 65257998, 87010664, 130515996, 261031992]

約数ペア:

[(1, 261031992), (2, 130515996), (3, 87010664), (4, 65257998), (6, 43505332), (8, 32628999), (12, 21752666), (13, 20079384), (24, 10876333), (26, 10039692), (39, 6693128), (52, 5019846), (78, 3346564), (104, 2509923), (139, 1877928), (156, 1673282), (169, 1544568), (278, 938964), (312, 836641), (338, 772284), (417, 625976), (463, 563784), (507, 514856), (556, 469482), (676, 386142), (834, 312988), (926, 281892), (1014, 257428), (1112, 234741), (1352, 193071), (1389, 187928), (1668, 156494), (1807, 144456), (1852, 140946), (2028, 128714), (2778, 93964), (3336, 78247), (3614, 72228), (3704, 70473), (4056, 64357), (5421, 48152), (5556, 46982), (6019, 43368), (7228, 36114), (10842, 24076), (11112, 23491), (12038, 21684), (14456, 18057)]