81765632

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{311}}^1$

素因数の和:419

約数の個数: 72

約数和(自身を含む): 178563840

約数和(自身を除く): 96798208

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 79, 104, 128, 158, 208, 256, 311, 316, 416, 622, 632, 832, 1027, 1244, 1264, 1664, 2054, 2488, 2528, 3328, 4043, 4108, 4976, 5056, 8086, 8216, 9952, 10112, 16172, 16432, 19904, 20224, 24569, 32344, 32864, 39808, 49138, 64688, 65728, 79616, 98276, 129376, 131456, 196552, 258752, 262912, 319397, 393104, 517504, 638794, 786208, 1035008, 1277588, 1572416, 2555176, 3144832, 5110352, 6289664, 10220704, 20441408, 40882816, 81765632]

約数ペア:

[(1, 81765632), (2, 40882816), (4, 20441408), (8, 10220704), (13, 6289664), (16, 5110352), (26, 3144832), (32, 2555176), (52, 1572416), (64, 1277588), (79, 1035008), (104, 786208), (128, 638794), (158, 517504), (208, 393104), (256, 319397), (311, 262912), (316, 258752), (416, 196552), (622, 131456), (632, 129376), (832, 98276), (1027, 79616), (1244, 65728), (1264, 64688), (1664, 49138), (2054, 39808), (2488, 32864), (2528, 32344), (3328, 24569), (4043, 20224), (4108, 19904), (4976, 16432), (5056, 16172), (8086, 10112), (8216, 9952)]