1640803558

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{131}}^1\times {\mathrm{7013}}^1$

素因数の和:7212

約数の個数: 32

約数和(自身を含む): 2666442240

約数和(自身を除く): 1025638682

約数列:

[1, 2, 19, 38, 47, 94, 131, 262, 893, 1786, 2489, 4978, 6157, 7013, 12314, 14026, 116983, 133247, 233966, 266494, 329611, 659222, 918703, 1837406, 6262609, 12525218, 17455357, 34910714, 43179041, 86358082, 820401779, 1640803558]

約数ペア:

[(1, 1640803558), (2, 820401779), (19, 86358082), (38, 43179041), (47, 34910714), (94, 17455357), (131, 12525218), (262, 6262609), (893, 1837406), (1786, 918703), (2489, 659222), (4978, 329611), (6157, 266494), (7013, 233966), (12314, 133247), (14026, 116983)]