1990490873

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1\times {\mathrm{1733}}^1$

素因数の和:1917

約数の個数: 32

約数和(自身を含む): 2414837760

約数和(自身を除く): 424346887

約数列:

[1, 7, 31, 67, 79, 217, 469, 553, 1733, 2077, 2449, 5293, 12131, 14539, 17143, 37051, 53723, 116111, 136907, 164083, 376061, 812777, 958349, 1148581, 3599441, 4244117, 9172769, 25196087, 29708819, 64209383, 284355839, 1990490873]

約数ペア:

[(1, 1990490873), (7, 284355839), (31, 64209383), (67, 29708819), (79, 25196087), (217, 9172769), (469, 4244117), (553, 3599441), (1733, 1148581), (2077, 958349), (2449, 812777), (5293, 376061), (12131, 164083), (14539, 136907), (17143, 116111), (37051, 53723)]