81937258

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{97}}^1\times {\mathrm{613}}^1$

素因数の和:778

約数の個数: 32

約数和(自身を含む): 136470096

約数和(自身を除く): 54532838

約数列:

[1, 2, 13, 26, 53, 97, 106, 194, 613, 689, 1226, 1261, 1378, 2522, 5141, 7969, 10282, 15938, 32489, 59461, 64978, 66833, 118922, 133666, 422357, 772993, 844714, 1545986, 3151433, 6302866, 40968629, 81937258]

約数ペア:

[(1, 81937258), (2, 40968629), (13, 6302866), (26, 3151433), (53, 1545986), (97, 844714), (106, 772993), (194, 422357), (613, 133666), (689, 118922), (1226, 66833), (1261, 64978), (1378, 59461), (2522, 32489), (5141, 15938), (7969, 10282)]