161907172

素因数分解:

$2^2\times 7^2\times {\mathrm{31}}^1\times {\mathrm{26647}}^1$

素因数の和:26696

約数の個数: 36

約数和(自身を含む): 340241664

約数和(自身を除く): 178334492

約数列:

[1, 2, 4, 7, 14, 28, 31, 49, 62, 98, 124, 196, 217, 434, 868, 1519, 3038, 6076, 26647, 53294, 106588, 186529, 373058, 746116, 826057, 1305703, 1652114, 2611406, 3304228, 5222812, 5782399, 11564798, 23129596, 40476793, 80953586, 161907172]

約数ペア:

[(1, 161907172), (2, 80953586), (4, 40476793), (7, 23129596), (14, 11564798), (28, 5782399), (31, 5222812), (49, 3304228), (62, 2611406), (98, 1652114), (124, 1305703), (196, 826057), (217, 746116), (434, 373058), (868, 186529), (1519, 106588), (3038, 53294), (6076, 26647)]