66640145

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{229}}^1$

素因数の和:306

約数の個数: 48

約数和(自身を含む): 97643280

約数和(自身を除く): 31003135

約数列:

[1, 5, 11, 13, 37, 55, 65, 121, 143, 185, 229, 407, 481, 605, 715, 1145, 1573, 2035, 2405, 2519, 2977, 4477, 5291, 7865, 8473, 12595, 14885, 22385, 26455, 27709, 32747, 42365, 58201, 93203, 110149, 138545, 163735, 291005, 360217, 466015, 550745, 1025233, 1211639, 1801085, 5126165, 6058195, 13328029, 66640145]

約数ペア:

[(1, 66640145), (5, 13328029), (11, 6058195), (13, 5126165), (37, 1801085), (55, 1211639), (65, 1025233), (121, 550745), (143, 466015), (185, 360217), (229, 291005), (407, 163735), (481, 138545), (605, 110149), (715, 93203), (1145, 58201), (1573, 42365), (2035, 32747), (2405, 27709), (2519, 26455), (2977, 22385), (4477, 14885), (5291, 12595), (7865, 8473)]