81499992

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{15649}}^1$

素因数の和:15696

約数の個数: 64

約数和(自身を含む): 240384000

約数和(自身を除く): 158884008

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 31, 42, 56, 62, 84, 93, 124, 168, 186, 217, 248, 372, 434, 651, 744, 868, 1302, 1736, 2604, 5208, 15649, 31298, 46947, 62596, 93894, 109543, 125192, 187788, 219086, 328629, 375576, 438172, 485119, 657258, 876344, 970238, 1314516, 1455357, 1940476, 2629032, 2910714, 3395833, 3880952, 5821428, 6791666, 10187499, 11642856, 13583332, 20374998, 27166664, 40749996, 81499992]

約数ペア:

[(1, 81499992), (2, 40749996), (3, 27166664), (4, 20374998), (6, 13583332), (7, 11642856), (8, 10187499), (12, 6791666), (14, 5821428), (21, 3880952), (24, 3395833), (28, 2910714), (31, 2629032), (42, 1940476), (56, 1455357), (62, 1314516), (84, 970238), (93, 876344), (124, 657258), (168, 485119), (186, 438172), (217, 375576), (248, 328629), (372, 219086), (434, 187788), (651, 125192), (744, 109543), (868, 93894), (1302, 62596), (1736, 46947), (2604, 31298), (5208, 15649)]