81012704

素因数分解:

$2^5\times {\mathrm{71}}^1\times {\mathrm{181}}^1\times {\mathrm{197}}^1$

素因数の和:459

約数の個数: 48

約数和(自身を含む): 163459296

約数和(自身を除く): 82446592

約数列:

[1, 2, 4, 8, 16, 32, 71, 142, 181, 197, 284, 362, 394, 568, 724, 788, 1136, 1448, 1576, 2272, 2896, 3152, 5792, 6304, 12851, 13987, 25702, 27974, 35657, 51404, 55948, 71314, 102808, 111896, 142628, 205616, 223792, 285256, 411232, 447584, 570512, 1141024, 2531647, 5063294, 10126588, 20253176, 40506352, 81012704]

約数ペア:

[(1, 81012704), (2, 40506352), (4, 20253176), (8, 10126588), (16, 5063294), (32, 2531647), (71, 1141024), (142, 570512), (181, 447584), (197, 411232), (284, 285256), (362, 223792), (394, 205616), (568, 142628), (724, 111896), (788, 102808), (1136, 71314), (1448, 55948), (1576, 51404), (2272, 35657), (2896, 27974), (3152, 25702), (5792, 13987), (6304, 12851)]