28874826

素因数分解:

$2^1\times 3^3\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{367}}^1$

素因数の和:456

約数の個数: 64

約数和(自身を含む): 67829760

約数和(自身を除く): 38954934

約数列:

[1, 2, 3, 6, 9, 18, 27, 31, 47, 54, 62, 93, 94, 141, 186, 279, 282, 367, 423, 558, 734, 837, 846, 1101, 1269, 1457, 1674, 2202, 2538, 2914, 3303, 4371, 6606, 8742, 9909, 11377, 13113, 17249, 19818, 22754, 26226, 34131, 34498, 39339, 51747, 68262, 78678, 102393, 103494, 155241, 204786, 307179, 310482, 465723, 534719, 614358, 931446, 1069438, 1604157, 3208314, 4812471, 9624942, 14437413, 28874826]

約数ペア:

[(1, 28874826), (2, 14437413), (3, 9624942), (6, 4812471), (9, 3208314), (18, 1604157), (27, 1069438), (31, 931446), (47, 614358), (54, 534719), (62, 465723), (93, 310482), (94, 307179), (141, 204786), (186, 155241), (279, 103494), (282, 102393), (367, 78678), (423, 68262), (558, 51747), (734, 39339), (837, 34498), (846, 34131), (1101, 26226), (1269, 22754), (1457, 19818), (1674, 17249), (2202, 13113), (2538, 11377), (2914, 9909), (3303, 8742), (4371, 6606)]