81919236

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1\times {\mathrm{193}}^1$

素因数の和:401

約数の個数: 96

約数和(自身を含む): 228057088

約数和(自身を除く): 146137852

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 31, 42, 62, 84, 93, 124, 163, 186, 193, 217, 326, 372, 386, 434, 489, 579, 651, 652, 772, 868, 978, 1141, 1158, 1302, 1351, 1956, 2282, 2316, 2604, 2702, 3423, 4053, 4564, 5053, 5404, 5983, 6846, 8106, 10106, 11966, 13692, 15159, 16212, 17949, 20212, 23932, 30318, 31459, 35371, 35898, 41881, 60636, 62918, 70742, 71796, 83762, 94377, 106113, 125643, 125836, 141484, 167524, 188754, 212226, 220213, 251286, 377508, 424452, 440426, 502572, 660639, 880852, 975229, 1321278, 1950458, 2642556, 2925687, 3900916, 5851374, 6826603, 11702748, 13653206, 20479809, 27306412, 40959618, 81919236]

約数ペア:

[(1, 81919236), (2, 40959618), (3, 27306412), (4, 20479809), (6, 13653206), (7, 11702748), (12, 6826603), (14, 5851374), (21, 3900916), (28, 2925687), (31, 2642556), (42, 1950458), (62, 1321278), (84, 975229), (93, 880852), (124, 660639), (163, 502572), (186, 440426), (193, 424452), (217, 377508), (326, 251286), (372, 220213), (386, 212226), (434, 188754), (489, 167524), (579, 141484), (651, 125836), (652, 125643), (772, 106113), (868, 94377), (978, 83762), (1141, 71796), (1158, 70742), (1302, 62918), (1351, 60636), (1956, 41881), (2282, 35898), (2316, 35371), (2604, 31459), (2702, 30318), (3423, 23932), (4053, 20212), (4564, 17949), (5053, 16212), (5404, 15159), (5983, 13692), (6846, 11966), (8106, 10106)]