1553991470

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{163}}^1\times {\mathrm{15629}}^1$

素因数の和:15860

約数の個数: 32

約数和(自身を含む): 2860665120

約数和(自身を除く): 1306673650

約数列:

[1, 2, 5, 10, 61, 122, 163, 305, 326, 610, 815, 1630, 9943, 15629, 19886, 31258, 49715, 78145, 99430, 156290, 953369, 1906738, 2547527, 4766845, 5095054, 9533690, 12737635, 25475270, 155399147, 310798294, 776995735, 1553991470]

約数ペア:

[(1, 1553991470), (2, 776995735), (5, 310798294), (10, 155399147), (61, 25475270), (122, 12737635), (163, 9533690), (305, 5095054), (326, 4766845), (610, 2547527), (815, 1906738), (1630, 953369), (9943, 156290), (15629, 99430), (19886, 78145), (31258, 49715)]