291547218

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{15199}}^1$

素因数の和:15366

約数の個数: 32

約数和(自身を含む): 612864000

約数和(自身を除く): 321316782

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 139, 278, 417, 834, 3197, 6394, 9591, 15199, 19182, 30398, 45597, 91194, 349577, 699154, 1048731, 2097462, 2112661, 4225322, 6337983, 12675966, 48591203, 97182406, 145773609, 291547218]

約数ペア:

[(1, 291547218), (2, 145773609), (3, 97182406), (6, 48591203), (23, 12675966), (46, 6337983), (69, 4225322), (138, 2112661), (139, 2097462), (278, 1048731), (417, 699154), (834, 349577), (3197, 91194), (6394, 45597), (9591, 30398), (15199, 19182)]