28871412

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{911}}^1$

素因数の和:1076

約数の個数: 48

約数和(自身を含む): 71500800

約数和(自身を除く): 42629388

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 76, 114, 139, 228, 278, 417, 556, 834, 911, 1668, 1822, 2641, 2733, 3644, 5282, 5466, 7923, 10564, 10932, 15846, 17309, 31692, 34618, 51927, 69236, 103854, 126629, 207708, 253258, 379887, 506516, 759774, 1519548, 2405951, 4811902, 7217853, 9623804, 14435706, 28871412]

約数ペア:

[(1, 28871412), (2, 14435706), (3, 9623804), (4, 7217853), (6, 4811902), (12, 2405951), (19, 1519548), (38, 759774), (57, 506516), (76, 379887), (114, 253258), (139, 207708), (228, 126629), (278, 103854), (417, 69236), (556, 51927), (834, 34618), (911, 31692), (1668, 17309), (1822, 15846), (2641, 10932), (2733, 10564), (3644, 7923), (5282, 5466)]