28191852

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{1021}}^1$

素因数の和:1103

約数の個数: 72

約数和(自身を含む): 78121680

約数和(自身を除く): 49929828

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 59, 78, 117, 118, 156, 177, 234, 236, 354, 468, 531, 708, 767, 1021, 1062, 1534, 2042, 2124, 2301, 3063, 3068, 4084, 4602, 6126, 6903, 9189, 9204, 12252, 13273, 13806, 18378, 26546, 27612, 36756, 39819, 53092, 60239, 79638, 119457, 120478, 159276, 180717, 238914, 240956, 361434, 477828, 542151, 722868, 783107, 1084302, 1566214, 2168604, 2349321, 3132428, 4698642, 7047963, 9397284, 14095926, 28191852]

約数ペア:

[(1, 28191852), (2, 14095926), (3, 9397284), (4, 7047963), (6, 4698642), (9, 3132428), (12, 2349321), (13, 2168604), (18, 1566214), (26, 1084302), (36, 783107), (39, 722868), (52, 542151), (59, 477828), (78, 361434), (117, 240956), (118, 238914), (156, 180717), (177, 159276), (234, 120478), (236, 119457), (354, 79638), (468, 60239), (531, 53092), (708, 39819), (767, 36756), (1021, 27612), (1062, 26546), (1534, 18378), (2042, 13806), (2124, 13273), (2301, 12252), (3063, 9204), (3068, 9189), (4084, 6903), (4602, 6126)]