2388894123

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{131}}^1\times {\mathrm{887}}^1$

素因数の和:1128

約数の個数: 64

約数和(自身を含む): 4050984960

約数和(自身を除く): 1662090837

約数列:

[1, 3, 7, 11, 21, 33, 77, 89, 131, 231, 267, 393, 623, 887, 917, 979, 1441, 1869, 2661, 2751, 2937, 4323, 6209, 6853, 9757, 10087, 11659, 18627, 20559, 29271, 30261, 34977, 68299, 78943, 81613, 116197, 128249, 204897, 236829, 244839, 348591, 384747, 552601, 813379, 868373, 897743, 1278167, 1657803, 2440137, 2605119, 2693229, 3834501, 6078611, 8947169, 10341533, 18235833, 26841507, 31024599, 72390731, 113756863, 217172193, 341270589, 796298041, 2388894123]

約数ペア:

[(1, 2388894123), (3, 796298041), (7, 341270589), (11, 217172193), (21, 113756863), (33, 72390731), (77, 31024599), (89, 26841507), (131, 18235833), (231, 10341533), (267, 8947169), (393, 6078611), (623, 3834501), (887, 2693229), (917, 2605119), (979, 2440137), (1441, 1657803), (1869, 1278167), (2661, 897743), (2751, 868373), (2937, 813379), (4323, 552601), (6209, 384747), (6853, 348591), (9757, 244839), (10087, 236829), (11659, 204897), (18627, 128249), (20559, 116197), (29271, 81613), (30261, 78943), (34977, 68299)]