31579128

素因数分解:

$2^3\times 3^2\times 7^2\times {\mathrm{8951}}^1$

素因数の和:8977

約数の個数: 72

約数和(自身を含む): 99501480

約数和(自身を除く): 67922352

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 49, 56, 63, 72, 84, 98, 126, 147, 168, 196, 252, 294, 392, 441, 504, 588, 882, 1176, 1764, 3528, 8951, 17902, 26853, 35804, 53706, 62657, 71608, 80559, 107412, 125314, 161118, 187971, 214824, 250628, 322236, 375942, 438599, 501256, 563913, 644472, 751884, 877198, 1127826, 1315797, 1503768, 1754396, 2255652, 2631594, 3508792, 3947391, 4511304, 5263188, 7894782, 10526376, 15789564, 31579128]

約数ペア:

[(1, 31579128), (2, 15789564), (3, 10526376), (4, 7894782), (6, 5263188), (7, 4511304), (8, 3947391), (9, 3508792), (12, 2631594), (14, 2255652), (18, 1754396), (21, 1503768), (24, 1315797), (28, 1127826), (36, 877198), (42, 751884), (49, 644472), (56, 563913), (63, 501256), (72, 438599), (84, 375942), (98, 322236), (126, 250628), (147, 214824), (168, 187971), (196, 161118), (252, 125314), (294, 107412), (392, 80559), (441, 71608), (504, 62657), (588, 53706), (882, 35804), (1176, 26853), (1764, 17902), (3528, 8951)]