31231024

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{2909}}^1$

素因数の和:2989

約数の個数: 40

約数和(自身を含む): 67116240

約数和(自身を除く): 35885216

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 61, 88, 122, 176, 244, 488, 671, 976, 1342, 2684, 2909, 5368, 5818, 10736, 11636, 23272, 31999, 46544, 63998, 127996, 177449, 255992, 354898, 511984, 709796, 1419592, 1951939, 2839184, 3903878, 7807756, 15615512, 31231024]

約数ペア:

[(1, 31231024), (2, 15615512), (4, 7807756), (8, 3903878), (11, 2839184), (16, 1951939), (22, 1419592), (44, 709796), (61, 511984), (88, 354898), (122, 255992), (176, 177449), (244, 127996), (488, 63998), (671, 46544), (976, 31999), (1342, 23272), (2684, 11636), (2909, 10736), (5368, 5818)]