28631412

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{151}}^1\times {\mathrm{229}}^1$

素因数の和:413

約数の個数: 72

約数和(自身を含む): 76352640

約数和(自身を除く): 47721228

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 69, 92, 138, 151, 207, 229, 276, 302, 414, 453, 458, 604, 687, 828, 906, 916, 1359, 1374, 1812, 2061, 2718, 2748, 3473, 4122, 5267, 5436, 6946, 8244, 10419, 10534, 13892, 15801, 20838, 21068, 31257, 31602, 34579, 41676, 47403, 62514, 63204, 69158, 94806, 103737, 125028, 138316, 189612, 207474, 311211, 414948, 622422, 795317, 1244844, 1590634, 2385951, 3181268, 4771902, 7157853, 9543804, 14315706, 28631412]

約数ペア:

[(1, 28631412), (2, 14315706), (3, 9543804), (4, 7157853), (6, 4771902), (9, 3181268), (12, 2385951), (18, 1590634), (23, 1244844), (36, 795317), (46, 622422), (69, 414948), (92, 311211), (138, 207474), (151, 189612), (207, 138316), (229, 125028), (276, 103737), (302, 94806), (414, 69158), (453, 63204), (458, 62514), (604, 47403), (687, 41676), (828, 34579), (906, 31602), (916, 31257), (1359, 21068), (1374, 20838), (1812, 15801), (2061, 13892), (2718, 10534), (2748, 10419), (3473, 8244), (4122, 6946), (5267, 5436)]