81617718

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{1801}}^1$

素因数の和:1909

約数の個数: 64

約数和(自身を含む): 203438592

約数和(自身を除く): 121820874

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 78, 83, 91, 166, 182, 249, 273, 498, 546, 581, 1079, 1162, 1743, 1801, 2158, 3237, 3486, 3602, 5403, 6474, 7553, 10806, 12607, 15106, 22659, 23413, 25214, 37821, 45318, 46826, 70239, 75642, 140478, 149483, 163891, 298966, 327782, 448449, 491673, 896898, 983346, 1046381, 1943279, 2092762, 3139143, 3886558, 5829837, 6278286, 11659674, 13602953, 27205906, 40808859, 81617718]

約数ペア:

[(1, 81617718), (2, 40808859), (3, 27205906), (6, 13602953), (7, 11659674), (13, 6278286), (14, 5829837), (21, 3886558), (26, 3139143), (39, 2092762), (42, 1943279), (78, 1046381), (83, 983346), (91, 896898), (166, 491673), (182, 448449), (249, 327782), (273, 298966), (498, 163891), (546, 149483), (581, 140478), (1079, 75642), (1162, 70239), (1743, 46826), (1801, 45318), (2158, 37821), (3237, 25214), (3486, 23413), (3602, 22659), (5403, 15106), (6474, 12607), (7553, 10806)]