81967136

素因数分解:

$2^5\times {\mathrm{37}}^1\times {\mathrm{107}}^1\times {\mathrm{647}}^1$

素因数の和:801

約数の個数: 48

約数和(自身を含む): 167541696

約数和(自身を除く): 85574560

約数列:

[1, 2, 4, 8, 16, 32, 37, 74, 107, 148, 214, 296, 428, 592, 647, 856, 1184, 1294, 1712, 2588, 3424, 3959, 5176, 7918, 10352, 15836, 20704, 23939, 31672, 47878, 63344, 69229, 95756, 126688, 138458, 191512, 276916, 383024, 553832, 766048, 1107664, 2215328, 2561473, 5122946, 10245892, 20491784, 40983568, 81967136]

約数ペア:

[(1, 81967136), (2, 40983568), (4, 20491784), (8, 10245892), (16, 5122946), (32, 2561473), (37, 2215328), (74, 1107664), (107, 766048), (148, 553832), (214, 383024), (296, 276916), (428, 191512), (592, 138458), (647, 126688), (856, 95756), (1184, 69229), (1294, 63344), (1712, 47878), (2588, 31672), (3424, 23939), (3959, 20704), (5176, 15836), (7918, 10352)]