28191970

素因数分解:

$2^1\times 5^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{673}}^1$

素因数の和:810

約数の個数: 32

約数和(自身を含む): 52410240

約数和(自身を除く): 24218270

約数列:

[1, 2, 5, 10, 59, 71, 118, 142, 295, 355, 590, 673, 710, 1346, 3365, 4189, 6730, 8378, 20945, 39707, 41890, 47783, 79414, 95566, 198535, 238915, 397070, 477830, 2819197, 5638394, 14095985, 28191970]

約数ペア:

[(1, 28191970), (2, 14095985), (5, 5638394), (10, 2819197), (59, 477830), (71, 397070), (118, 238915), (142, 198535), (295, 95566), (355, 79414), (590, 47783), (673, 41890), (710, 39707), (1346, 20945), (3365, 8378), (4189, 6730)]