28026790

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{8219}}^1$

素因数の和:8268

約数の個数: 32

約数和(自身を含む): 56816640

約数和(自身を除く): 28789850

約数列:

[1, 2, 5, 10, 11, 22, 31, 55, 62, 110, 155, 310, 341, 682, 1705, 3410, 8219, 16438, 41095, 82190, 90409, 180818, 254789, 452045, 509578, 904090, 1273945, 2547890, 2802679, 5605358, 14013395, 28026790]

約数ペア:

[(1, 28026790), (2, 14013395), (5, 5605358), (10, 2802679), (11, 2547890), (22, 1273945), (31, 904090), (55, 509578), (62, 452045), (110, 254789), (155, 180818), (310, 90409), (341, 82190), (682, 41095), (1705, 16438), (3410, 8219)]