39688948

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{139}}^1$

素因数の和:209

約数の個数: 72

約数和(自身を含む): 84240800

約数和(自身を除く): 44551852

約数列:

[1, 2, 4, 13, 17, 19, 26, 34, 38, 52, 68, 76, 139, 221, 247, 278, 289, 323, 442, 494, 556, 578, 646, 884, 988, 1156, 1292, 1807, 2363, 2641, 3614, 3757, 4199, 4726, 5282, 5491, 7228, 7514, 8398, 9452, 10564, 10982, 15028, 16796, 21964, 30719, 34333, 40171, 44897, 61438, 68666, 71383, 80342, 89794, 122876, 137332, 142766, 160684, 179588, 285532, 522223, 583661, 763249, 1044446, 1167322, 1526498, 2088892, 2334644, 3052996, 9922237, 19844474, 39688948]

約数ペア:

[(1, 39688948), (2, 19844474), (4, 9922237), (13, 3052996), (17, 2334644), (19, 2088892), (26, 1526498), (34, 1167322), (38, 1044446), (52, 763249), (68, 583661), (76, 522223), (139, 285532), (221, 179588), (247, 160684), (278, 142766), (289, 137332), (323, 122876), (442, 89794), (494, 80342), (556, 71383), (578, 68666), (646, 61438), (884, 44897), (988, 40171), (1156, 34333), (1292, 30719), (1807, 21964), (2363, 16796), (2641, 15028), (3614, 10982), (3757, 10564), (4199, 9452), (4726, 8398), (5282, 7514), (5491, 7228)]