161874604

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1\times {\mathrm{229}}^1$

素因数の和:454

約数の個数: 48

約数和(自身を含む): 306028800

約数和(自身を除く): 144154196

約数列:

[1, 2, 4, 19, 38, 71, 76, 131, 142, 229, 262, 284, 458, 524, 916, 1349, 2489, 2698, 4351, 4978, 5396, 8702, 9301, 9956, 16259, 17404, 18602, 29999, 32518, 37204, 59998, 65036, 119996, 176719, 308921, 353438, 569981, 617842, 706876, 1139962, 1235684, 2129929, 2279924, 4259858, 8519716, 40468651, 80937302, 161874604]

約数ペア:

[(1, 161874604), (2, 80937302), (4, 40468651), (19, 8519716), (38, 4259858), (71, 2279924), (76, 2129929), (131, 1235684), (142, 1139962), (229, 706876), (262, 617842), (284, 569981), (458, 353438), (524, 308921), (916, 176719), (1349, 119996), (2489, 65036), (2698, 59998), (4351, 37204), (4978, 32518), (5396, 29999), (8702, 18602), (9301, 17404), (9956, 16259)]