71679140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{16217}}^1$

素因数の和:16256

約数の個数: 48

約数和(自身を含む): 171651312

約数和(自身を除く): 99972172

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 170, 221, 260, 340, 442, 884, 1105, 2210, 4420, 16217, 32434, 64868, 81085, 162170, 210821, 275689, 324340, 421642, 551378, 843284, 1054105, 1102756, 1378445, 2108210, 2756890, 3583957, 4216420, 5513780, 7167914, 14335828, 17919785, 35839570, 71679140]

約数ペア:

[(1, 71679140), (2, 35839570), (4, 17919785), (5, 14335828), (10, 7167914), (13, 5513780), (17, 4216420), (20, 3583957), (26, 2756890), (34, 2108210), (52, 1378445), (65, 1102756), (68, 1054105), (85, 843284), (130, 551378), (170, 421642), (221, 324340), (260, 275689), (340, 210821), (442, 162170), (884, 81085), (1105, 64868), (2210, 32434), (4420, 16217)]