31503992

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{173}}^1$

素因数の和:312

約数の個数: 64

約数和(自身を含む): 68402880

約数和(自身を除く): 36898888

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 52, 68, 103, 104, 136, 173, 206, 221, 346, 412, 442, 692, 824, 884, 1339, 1384, 1751, 1768, 2249, 2678, 2941, 3502, 4498, 5356, 5882, 7004, 8996, 10712, 11764, 14008, 17819, 17992, 22763, 23528, 35638, 38233, 45526, 71276, 76466, 91052, 142552, 152932, 182104, 231647, 302923, 305864, 463294, 605846, 926588, 1211692, 1853176, 2423384, 3937999, 7875998, 15751996, 31503992]

約数ペア:

[(1, 31503992), (2, 15751996), (4, 7875998), (8, 3937999), (13, 2423384), (17, 1853176), (26, 1211692), (34, 926588), (52, 605846), (68, 463294), (103, 305864), (104, 302923), (136, 231647), (173, 182104), (206, 152932), (221, 142552), (346, 91052), (412, 76466), (442, 71276), (692, 45526), (824, 38233), (884, 35638), (1339, 23528), (1384, 22763), (1751, 17992), (1768, 17819), (2249, 14008), (2678, 11764), (2941, 10712), (3502, 8996), (4498, 7004), (5356, 5882)]