1229436

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1$

素因数の和:131

約数の個数: 72

約数和(自身を含む): 3485664

約数和(自身を除く): 2256228

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 37, 39, 52, 71, 74, 78, 111, 117, 142, 148, 156, 213, 222, 234, 284, 333, 426, 444, 468, 481, 639, 666, 852, 923, 962, 1278, 1332, 1443, 1846, 1924, 2556, 2627, 2769, 2886, 3692, 4329, 5254, 5538, 5772, 7881, 8307, 8658, 10508, 11076, 15762, 16614, 17316, 23643, 31524, 33228, 34151, 47286, 68302, 94572, 102453, 136604, 204906, 307359, 409812, 614718, 1229436]

約数ペア:

[(1, 1229436), (2, 614718), (3, 409812), (4, 307359), (6, 204906), (9, 136604), (12, 102453), (13, 94572), (18, 68302), (26, 47286), (36, 34151), (37, 33228), (39, 31524), (52, 23643), (71, 17316), (74, 16614), (78, 15762), (111, 11076), (117, 10508), (142, 8658), (148, 8307), (156, 7881), (213, 5772), (222, 5538), (234, 5254), (284, 4329), (333, 3692), (426, 2886), (444, 2769), (468, 2627), (481, 2556), (639, 1924), (666, 1846), (852, 1443), (923, 1332), (962, 1278)]