31395468

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^2\times {\mathrm{113}}^1\times {\mathrm{137}}^1$

素因数の和:283

約数の個数: 72

約数和(自身を含む): 80610768

約数和(自身を除く): 49215300

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 113, 137, 156, 169, 226, 274, 338, 339, 411, 452, 507, 548, 676, 678, 822, 1014, 1356, 1469, 1644, 1781, 2028, 2938, 3562, 4407, 5343, 5876, 7124, 8814, 10686, 15481, 17628, 19097, 21372, 23153, 30962, 38194, 46306, 46443, 57291, 61924, 69459, 76388, 92612, 92886, 114582, 138918, 185772, 201253, 229164, 277836, 402506, 603759, 805012, 1207518, 2415036, 2616289, 5232578, 7848867, 10465156, 15697734, 31395468]

約数ペア:

[(1, 31395468), (2, 15697734), (3, 10465156), (4, 7848867), (6, 5232578), (12, 2616289), (13, 2415036), (26, 1207518), (39, 805012), (52, 603759), (78, 402506), (113, 277836), (137, 229164), (156, 201253), (169, 185772), (226, 138918), (274, 114582), (338, 92886), (339, 92612), (411, 76388), (452, 69459), (507, 61924), (548, 57291), (676, 46443), (678, 46306), (822, 38194), (1014, 30962), (1356, 23153), (1469, 21372), (1644, 19097), (1781, 17628), (2028, 15481), (2938, 10686), (3562, 8814), (4407, 7124), (5343, 5876)]