28758456

素因数分解:

$2^3\times 3^3\times {\mathrm{211}}^1\times {\mathrm{631}}^1$

素因数の和:857

約数の個数: 64

約数和(自身を含む): 80390400

約数和(自身を除く): 51631944

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 108, 211, 216, 422, 631, 633, 844, 1262, 1266, 1688, 1893, 1899, 2524, 2532, 3786, 3798, 5048, 5064, 5679, 5697, 7572, 7596, 11358, 11394, 15144, 15192, 17037, 22716, 22788, 34074, 45432, 45576, 68148, 133141, 136296, 266282, 399423, 532564, 798846, 1065128, 1198269, 1597692, 2396538, 3195384, 3594807, 4793076, 7189614, 9586152, 14379228, 28758456]

約数ペア:

[(1, 28758456), (2, 14379228), (3, 9586152), (4, 7189614), (6, 4793076), (8, 3594807), (9, 3195384), (12, 2396538), (18, 1597692), (24, 1198269), (27, 1065128), (36, 798846), (54, 532564), (72, 399423), (108, 266282), (211, 136296), (216, 133141), (422, 68148), (631, 45576), (633, 45432), (844, 34074), (1262, 22788), (1266, 22716), (1688, 17037), (1893, 15192), (1899, 15144), (2524, 11394), (2532, 11358), (3786, 7596), (3798, 7572), (5048, 5697), (5064, 5679)]