28229838

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{347}}^1$

素因数の和:521

約数の個数: 64

約数和(自身を含む): 70156800

約数和(自身を除く): 41926962

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 78, 91, 149, 182, 273, 298, 347, 447, 546, 694, 894, 1041, 1043, 1937, 2082, 2086, 2429, 3129, 3874, 4511, 4858, 5811, 6258, 7287, 9022, 11622, 13533, 13559, 14574, 27066, 27118, 31577, 40677, 51703, 63154, 81354, 94731, 103406, 155109, 189462, 310218, 361921, 672139, 723842, 1085763, 1344278, 2016417, 2171526, 4032834, 4704973, 9409946, 14114919, 28229838]

約数ペア:

[(1, 28229838), (2, 14114919), (3, 9409946), (6, 4704973), (7, 4032834), (13, 2171526), (14, 2016417), (21, 1344278), (26, 1085763), (39, 723842), (42, 672139), (78, 361921), (91, 310218), (149, 189462), (182, 155109), (273, 103406), (298, 94731), (347, 81354), (447, 63154), (546, 51703), (694, 40677), (894, 31577), (1041, 27118), (1043, 27066), (1937, 14574), (2082, 13559), (2086, 13533), (2429, 11622), (3129, 9022), (3874, 7287), (4511, 6258), (4858, 5811)]