2019802015

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1951}}^1\times {\mathrm{2689}}^1$

素因数の和:4663

約数の個数: 32

約数和(自身を含む): 3024506880

約数和(自身を除く): 1004704865

約数列:

[1, 5, 7, 11, 35, 55, 77, 385, 1951, 2689, 9755, 13445, 13657, 18823, 21461, 29579, 68285, 94115, 107305, 147895, 150227, 207053, 751135, 1035265, 5246239, 26231195, 36723673, 57708629, 183618365, 288543145, 403960403, 2019802015]

約数ペア:

[(1, 2019802015), (5, 403960403), (7, 288543145), (11, 183618365), (35, 57708629), (55, 36723673), (77, 26231195), (385, 5246239), (1951, 1035265), (2689, 751135), (9755, 207053), (13445, 150227), (13657, 147895), (18823, 107305), (21461, 94115), (29579, 68285)]