31172236

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{131}}^1$

素因数の和:286

約数の個数: 48

約数和(自身を含む): 60318720

約数和(自身を除く): 29146484

約数列:

[1, 2, 4, 19, 31, 38, 62, 76, 101, 124, 131, 202, 262, 404, 524, 589, 1178, 1919, 2356, 2489, 3131, 3838, 4061, 4978, 6262, 7676, 8122, 9956, 12524, 13231, 16244, 26462, 52924, 59489, 77159, 118978, 154318, 237956, 251389, 308636, 410161, 502778, 820322, 1005556, 1640644, 7793059, 15586118, 31172236]

約数ペア:

[(1, 31172236), (2, 15586118), (4, 7793059), (19, 1640644), (31, 1005556), (38, 820322), (62, 502778), (76, 410161), (101, 308636), (124, 251389), (131, 237956), (202, 154318), (262, 118978), (404, 77159), (524, 59489), (589, 52924), (1178, 26462), (1919, 16244), (2356, 13231), (2489, 12524), (3131, 9956), (3838, 8122), (4061, 7676), (4978, 6262)]