218989106

素因数分解:

$2^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{389}}^1\times {\mathrm{509}}^1$

素因数の和:986

約数の個数: 32

約数和(自身を含む): 381888000

約数和(自身を除く): 162898894

約数列:

[1, 2, 7, 14, 79, 158, 389, 509, 553, 778, 1018, 1106, 2723, 3563, 5446, 7126, 30731, 40211, 61462, 80422, 198001, 215117, 281477, 396002, 430234, 562954, 1386007, 2772014, 15642079, 31284158, 109494553, 218989106]

約数ペア:

[(1, 218989106), (2, 109494553), (7, 31284158), (14, 15642079), (79, 2772014), (158, 1386007), (389, 562954), (509, 430234), (553, 396002), (778, 281477), (1018, 215117), (1106, 198001), (2723, 80422), (3563, 61462), (5446, 40211), (7126, 30731)]