81637218

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{409}}^1\times {\mathrm{853}}^1$

素因数の和:1283

約数の個数: 48

約数和(自身を含む): 191176440

約数和(自身を除く): 109539222

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 234, 409, 818, 853, 1227, 1706, 2454, 2559, 3681, 5118, 5317, 7362, 7677, 10634, 11089, 15354, 15951, 22178, 31902, 33267, 47853, 66534, 95706, 99801, 199602, 348877, 697754, 1046631, 2093262, 3139893, 4535401, 6279786, 9070802, 13606203, 27212406, 40818609, 81637218]

約数ペア:

[(1, 81637218), (2, 40818609), (3, 27212406), (6, 13606203), (9, 9070802), (13, 6279786), (18, 4535401), (26, 3139893), (39, 2093262), (78, 1046631), (117, 697754), (234, 348877), (409, 199602), (818, 99801), (853, 95706), (1227, 66534), (1706, 47853), (2454, 33267), (2559, 31902), (3681, 22178), (5118, 15951), (5317, 15354), (7362, 11089), (7677, 10634)]