81218848

素因数分解:

$2^5\times {\mathrm{37}}^1\times {\mathrm{68597}}^1$

素因数の和:68644

約数の個数: 24

約数和(自身を含む): 164223612

約数和(自身を除く): 83004764

約数列:

[1, 2, 4, 8, 16, 32, 37, 74, 148, 296, 592, 1184, 68597, 137194, 274388, 548776, 1097552, 2195104, 2538089, 5076178, 10152356, 20304712, 40609424, 81218848]

約数ペア:

[(1, 81218848), (2, 40609424), (4, 20304712), (8, 10152356), (16, 5076178), (32, 2538089), (37, 2195104), (74, 1097552), (148, 548776), (296, 274388), (592, 137194), (1184, 68597)]