138870235

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{859}}^1$

素因数の和:1051

約数の個数: 32

約数和(自身を含む): 198144000

約数和(自身を除く): 59273765

約数列:

[1, 5, 7, 31, 35, 149, 155, 217, 745, 859, 1043, 1085, 4295, 4619, 5215, 6013, 23095, 26629, 30065, 32333, 127991, 133145, 161665, 186403, 639955, 895937, 932015, 3967721, 4479685, 19838605, 27774047, 138870235]

約数ペア:

[(1, 138870235), (5, 27774047), (7, 19838605), (31, 4479685), (35, 3967721), (149, 932015), (155, 895937), (217, 639955), (745, 186403), (859, 161665), (1043, 133145), (1085, 127991), (4295, 32333), (4619, 30065), (5215, 26629), (6013, 23095)]