27720203485

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{239}}^1\times {\mathrm{2441}}^1$

素因数の和:2758

約数の個数: 64

約数和(自身を含む): 38990730240

約数和(自身を除く): 11270526755

約数列:

[1, 5, 13, 17, 43, 65, 85, 215, 221, 239, 559, 731, 1105, 1195, 2441, 2795, 3107, 3655, 4063, 9503, 10277, 12205, 15535, 20315, 31733, 41497, 47515, 51385, 52819, 104963, 133601, 158665, 174709, 207485, 264095, 524815, 539461, 583399, 668005, 873545, 1364519, 1784371, 2271217, 2697305, 2916995, 6822595, 7584187, 8921855, 9917783, 11356085, 23196823, 25086157, 37920935, 49588915, 115984115, 125430785, 128931179, 326120041, 426464669, 644655895, 1630600205, 2132323345, 5544040697, 27720203485]

約数ペア:

[(1, 27720203485), (5, 5544040697), (13, 2132323345), (17, 1630600205), (43, 644655895), (65, 426464669), (85, 326120041), (215, 128931179), (221, 125430785), (239, 115984115), (559, 49588915), (731, 37920935), (1105, 25086157), (1195, 23196823), (2441, 11356085), (2795, 9917783), (3107, 8921855), (3655, 7584187), (4063, 6822595), (9503, 2916995), (10277, 2697305), (12205, 2271217), (15535, 1784371), (20315, 1364519), (31733, 873545), (41497, 668005), (47515, 583399), (51385, 539461), (52819, 524815), (104963, 264095), (133601, 207485), (158665, 174709)]