28855145

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{229}}^1$

素因数の和:353

約数の個数: 32

約数和(自身を含む): 39744000

約数和(自身を除く): 10888855

約数列:

[1, 5, 11, 29, 55, 79, 145, 229, 319, 395, 869, 1145, 1595, 2291, 2519, 4345, 6641, 11455, 12595, 18091, 25201, 33205, 73051, 90455, 126005, 199001, 365255, 524639, 995005, 2623195, 5771029, 28855145]

約数ペア:

[(1, 28855145), (5, 5771029), (11, 2623195), (29, 995005), (55, 524639), (79, 365255), (145, 199001), (229, 126005), (319, 90455), (395, 73051), (869, 33205), (1145, 25201), (1595, 18091), (2291, 12595), (2519, 11455), (4345, 6641)]