142491146

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{491}}^1\times {\mathrm{1091}}^1$

素因数の和:1610

約数の個数: 32

約数和(自身を含む): 257886720

約数和(自身を除く): 115395574

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 491, 982, 1091, 2182, 3437, 6874, 7637, 9329, 15274, 18658, 20729, 41458, 65303, 130606, 145103, 290206, 535681, 1071362, 3749767, 7499534, 10177939, 20355878, 71245573, 142491146]

約数ペア:

[(1, 142491146), (2, 71245573), (7, 20355878), (14, 10177939), (19, 7499534), (38, 3749767), (133, 1071362), (266, 535681), (491, 290206), (982, 145103), (1091, 130606), (2182, 65303), (3437, 41458), (6874, 20729), (7637, 18658), (9329, 15274)]