81232788

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{10627}}^1$

素因数の和:10661

約数の個数: 72

約数和(自身を含む): 237472032

約数和(自身を除く): 156239244

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 49, 52, 78, 84, 91, 98, 147, 156, 182, 196, 273, 294, 364, 546, 588, 637, 1092, 1274, 1911, 2548, 3822, 7644, 10627, 21254, 31881, 42508, 63762, 74389, 127524, 138151, 148778, 223167, 276302, 297556, 414453, 446334, 520723, 552604, 828906, 892668, 967057, 1041446, 1562169, 1657812, 1934114, 2082892, 2901171, 3124338, 3868228, 5802342, 6248676, 6769399, 11604684, 13538798, 20308197, 27077596, 40616394, 81232788]

約数ペア:

[(1, 81232788), (2, 40616394), (3, 27077596), (4, 20308197), (6, 13538798), (7, 11604684), (12, 6769399), (13, 6248676), (14, 5802342), (21, 3868228), (26, 3124338), (28, 2901171), (39, 2082892), (42, 1934114), (49, 1657812), (52, 1562169), (78, 1041446), (84, 967057), (91, 892668), (98, 828906), (147, 552604), (156, 520723), (182, 446334), (196, 414453), (273, 297556), (294, 276302), (364, 223167), (546, 148778), (588, 138151), (637, 127524), (1092, 74389), (1274, 63762), (1911, 42508), (2548, 31881), (3822, 21254), (7644, 10627)]