1888894735

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{4139}}^1$

素因数の和:4240

約数の個数: 64

約数和(自身を含む): 3004646400

約数和(自身を除く): 1115751665

約数列:

[1, 5, 7, 13, 17, 35, 59, 65, 85, 91, 119, 221, 295, 413, 455, 595, 767, 1003, 1105, 1547, 2065, 3835, 4139, 5015, 5369, 7021, 7735, 13039, 20695, 26845, 28973, 35105, 53807, 65195, 70363, 91273, 144865, 244201, 269035, 351815, 376649, 456365, 492541, 914719, 1221005, 1709407, 1883245, 2462705, 3174613, 4151417, 4573595, 6403033, 8547035, 15873065, 20757085, 22222291, 29059919, 32015165, 53968421, 111111455, 145299595, 269842105, 377778947, 1888894735]

約数ペア:

[(1, 1888894735), (5, 377778947), (7, 269842105), (13, 145299595), (17, 111111455), (35, 53968421), (59, 32015165), (65, 29059919), (85, 22222291), (91, 20757085), (119, 15873065), (221, 8547035), (295, 6403033), (413, 4573595), (455, 4151417), (595, 3174613), (767, 2462705), (1003, 1883245), (1105, 1709407), (1547, 1221005), (2065, 914719), (3835, 492541), (4139, 456365), (5015, 376649), (5369, 351815), (7021, 269035), (7735, 244201), (13039, 144865), (20695, 91273), (26845, 70363), (28973, 65195), (35105, 53807)]