8188390

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{983}}^1$

素因数の和:1021

約数の個数: 48

約数和(自身を含む): 18172512

約数和(自身を除く): 9984122

約数列:

[1, 2, 5, 7, 10, 14, 17, 34, 35, 49, 70, 85, 98, 119, 170, 238, 245, 490, 595, 833, 983, 1190, 1666, 1966, 4165, 4915, 6881, 8330, 9830, 13762, 16711, 33422, 34405, 48167, 68810, 83555, 96334, 116977, 167110, 233954, 240835, 481670, 584885, 818839, 1169770, 1637678, 4094195, 8188390]

約数ペア:

[(1, 8188390), (2, 4094195), (5, 1637678), (7, 1169770), (10, 818839), (14, 584885), (17, 481670), (34, 240835), (35, 233954), (49, 167110), (70, 116977), (85, 96334), (98, 83555), (119, 68810), (170, 48167), (238, 34405), (245, 33422), (490, 16711), (595, 13762), (833, 9830), (983, 8330), (1190, 6881), (1666, 4915), (1966, 4165)]