217897735

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{2039}}^1$

素因数の和:2151

約数の個数: 32

約数和(自身を含む): 299635200

約数和(自身を除く): 81737465

約数列:

[1, 5, 11, 29, 55, 67, 145, 319, 335, 737, 1595, 1943, 2039, 3685, 9715, 10195, 21373, 22429, 59131, 106865, 112145, 136613, 295655, 650441, 683065, 1502743, 3252205, 3961777, 7513715, 19808885, 43579547, 217897735]

約数ペア:

[(1, 217897735), (5, 43579547), (11, 19808885), (29, 7513715), (55, 3961777), (67, 3252205), (145, 1502743), (319, 683065), (335, 650441), (737, 295655), (1595, 136613), (1943, 112145), (2039, 106865), (3685, 59131), (9715, 22429), (10195, 21373)]