81576292

素因数分解:

$2^2\times 7^1\times {\mathrm{659}}^1\times {\mathrm{4421}}^1$

素因数の和:5091

約数の個数: 24

約数和(自身を含む): 163437120

約数和(自身を除く): 81860828

約数列:

[1, 2, 4, 7, 14, 28, 659, 1318, 2636, 4421, 4613, 8842, 9226, 17684, 18452, 30947, 61894, 123788, 2913439, 5826878, 11653756, 20394073, 40788146, 81576292]

約数ペア:

[(1, 81576292), (2, 40788146), (4, 20394073), (7, 11653756), (14, 5826878), (28, 2913439), (659, 123788), (1318, 61894), (2636, 30947), (4421, 18452), (4613, 17684), (8842, 9226)]