81938810

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{4969}}^1$

素因数の和:5090

約数の個数: 32

約数和(自身を含む): 157807440

約数和(自身を除く): 75868630

約数列:

[1, 2, 5, 10, 17, 34, 85, 97, 170, 194, 485, 970, 1649, 3298, 4969, 8245, 9938, 16490, 24845, 49690, 84473, 168946, 422365, 481993, 844730, 963986, 2409965, 4819930, 8193881, 16387762, 40969405, 81938810]

約数ペア:

[(1, 81938810), (2, 40969405), (5, 16387762), (10, 8193881), (17, 4819930), (34, 2409965), (85, 963986), (97, 844730), (170, 481993), (194, 422365), (485, 168946), (970, 84473), (1649, 49690), (3298, 24845), (4969, 16490), (8245, 9938)]