28012380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{42443}}^1$

素因数の和:42466

約数の個数: 48

約数和(自身を含む): 85567104

約数和(自身を除く): 57554724

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 220, 330, 660, 42443, 84886, 127329, 169772, 212215, 254658, 424430, 466873, 509316, 636645, 848860, 933746, 1273290, 1400619, 1867492, 2334365, 2546580, 2801238, 4668730, 5602476, 7003095, 9337460, 14006190, 28012380]

約数ペア:

[(1, 28012380), (2, 14006190), (3, 9337460), (4, 7003095), (5, 5602476), (6, 4668730), (10, 2801238), (11, 2546580), (12, 2334365), (15, 1867492), (20, 1400619), (22, 1273290), (30, 933746), (33, 848860), (44, 636645), (55, 509316), (60, 466873), (66, 424430), (110, 254658), (132, 212215), (165, 169772), (220, 127329), (330, 84886), (660, 42443)]