28591108

素因数分解:

$2^2\times 7^4\times {\mathrm{13}}^1\times {\mathrm{229}}^1$

素因数の和:274

約数の個数: 60

約数和(自身を含む): 63134540

約数和(自身を除く): 34543432

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 49, 52, 91, 98, 182, 196, 229, 343, 364, 458, 637, 686, 916, 1274, 1372, 1603, 2401, 2548, 2977, 3206, 4459, 4802, 5954, 6412, 8918, 9604, 11221, 11908, 17836, 20839, 22442, 31213, 41678, 44884, 62426, 78547, 83356, 124852, 145873, 157094, 291746, 314188, 549829, 583492, 1021111, 1099658, 2042222, 2199316, 4084444, 7147777, 14295554, 28591108]

約数ペア:

[(1, 28591108), (2, 14295554), (4, 7147777), (7, 4084444), (13, 2199316), (14, 2042222), (26, 1099658), (28, 1021111), (49, 583492), (52, 549829), (91, 314188), (98, 291746), (182, 157094), (196, 145873), (229, 124852), (343, 83356), (364, 78547), (458, 62426), (637, 44884), (686, 41678), (916, 31213), (1274, 22442), (1372, 20839), (1603, 17836), (2401, 11908), (2548, 11221), (2977, 9604), (3206, 8918), (4459, 6412), (4802, 5954)]