71985992

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{4001}}^1$

素因数の和:4193

約数の個数: 32

約数和(自身を含む): 146233080

約数和(自身を除く): 74247088

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 173, 346, 692, 1384, 2249, 4001, 4498, 8002, 8996, 16004, 17992, 32008, 52013, 104026, 208052, 416104, 692173, 1384346, 2768692, 5537384, 8998249, 17996498, 35992996, 71985992]

約数ペア:

[(1, 71985992), (2, 35992996), (4, 17996498), (8, 8998249), (13, 5537384), (26, 2768692), (52, 1384346), (104, 692173), (173, 416104), (346, 208052), (692, 104026), (1384, 52013), (2249, 32008), (4001, 17992), (4498, 16004), (8002, 8996)]