90171952

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{4871}}^1$

素因数の和:4981

約数の個数: 40

約数和(自身を含む): 190300320

約数和(自身を除く): 100128368

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 89, 104, 178, 208, 356, 712, 1157, 1424, 2314, 4628, 4871, 9256, 9742, 18512, 19484, 38968, 63323, 77936, 126646, 253292, 433519, 506584, 867038, 1013168, 1734076, 3468152, 5635747, 6936304, 11271494, 22542988, 45085976, 90171952]

約数ペア:

[(1, 90171952), (2, 45085976), (4, 22542988), (8, 11271494), (13, 6936304), (16, 5635747), (26, 3468152), (52, 1734076), (89, 1013168), (104, 867038), (178, 506584), (208, 433519), (356, 253292), (712, 126646), (1157, 77936), (1424, 63323), (2314, 38968), (4628, 19484), (4871, 18512), (9256, 9742)]