31470156

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{331}}^1$

素因数の和:499

約数の個数: 72

約数和(自身を含む): 84593600

約数和(自身を除く): 53123444

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 139, 171, 228, 278, 331, 342, 417, 556, 662, 684, 834, 993, 1251, 1324, 1668, 1986, 2502, 2641, 2979, 3972, 5004, 5282, 5958, 6289, 7923, 10564, 11916, 12578, 15846, 18867, 23769, 25156, 31692, 37734, 46009, 47538, 56601, 75468, 92018, 95076, 113202, 138027, 184036, 226404, 276054, 414081, 552108, 828162, 874171, 1656324, 1748342, 2622513, 3496684, 5245026, 7867539, 10490052, 15735078, 31470156]

約数ペア:

[(1, 31470156), (2, 15735078), (3, 10490052), (4, 7867539), (6, 5245026), (9, 3496684), (12, 2622513), (18, 1748342), (19, 1656324), (36, 874171), (38, 828162), (57, 552108), (76, 414081), (114, 276054), (139, 226404), (171, 184036), (228, 138027), (278, 113202), (331, 95076), (342, 92018), (417, 75468), (556, 56601), (662, 47538), (684, 46009), (834, 37734), (993, 31692), (1251, 25156), (1324, 23769), (1668, 18867), (1986, 15846), (2502, 12578), (2641, 11916), (2979, 10564), (3972, 7923), (5004, 6289), (5282, 5958)]