81267368

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{277}}^1$

素因数の和:347

約数の個数: 96

約数和(自身を含む): 195356160

約数和(自身を除く): 114088792

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 31, 52, 56, 62, 91, 104, 124, 169, 182, 217, 248, 277, 338, 364, 403, 434, 554, 676, 728, 806, 868, 1108, 1183, 1352, 1612, 1736, 1939, 2216, 2366, 2821, 3224, 3601, 3878, 4732, 5239, 5642, 7202, 7756, 8587, 9464, 10478, 11284, 14404, 15512, 17174, 20956, 22568, 25207, 28808, 34348, 36673, 41912, 46813, 50414, 60109, 68696, 73346, 93626, 100828, 111631, 120218, 146692, 187252, 201656, 223262, 240436, 293384, 327691, 374504, 446524, 480872, 655382, 781417, 893048, 1310764, 1451203, 1562834, 2621528, 2902406, 3125668, 5804812, 6251336, 10158421, 11609624, 20316842, 40633684, 81267368]

約数ペア:

[(1, 81267368), (2, 40633684), (4, 20316842), (7, 11609624), (8, 10158421), (13, 6251336), (14, 5804812), (26, 3125668), (28, 2902406), (31, 2621528), (52, 1562834), (56, 1451203), (62, 1310764), (91, 893048), (104, 781417), (124, 655382), (169, 480872), (182, 446524), (217, 374504), (248, 327691), (277, 293384), (338, 240436), (364, 223262), (403, 201656), (434, 187252), (554, 146692), (676, 120218), (728, 111631), (806, 100828), (868, 93626), (1108, 73346), (1183, 68696), (1352, 60109), (1612, 50414), (1736, 46813), (1939, 41912), (2216, 36673), (2366, 34348), (2821, 28808), (3224, 25207), (3601, 22568), (3878, 20956), (4732, 17174), (5239, 15512), (5642, 14404), (7202, 11284), (7756, 10478), (8587, 9464)]