87121970

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{9439}}^1$

素因数の和:9530

約数の個数: 32

約数和(自身を含む): 171279360

約数和(自身を除く): 84157390

約数列:

[1, 2, 5, 10, 13, 26, 65, 71, 130, 142, 355, 710, 923, 1846, 4615, 9230, 9439, 18878, 47195, 94390, 122707, 245414, 613535, 670169, 1227070, 1340338, 3350845, 6701690, 8712197, 17424394, 43560985, 87121970]

約数ペア:

[(1, 87121970), (2, 43560985), (5, 17424394), (10, 8712197), (13, 6701690), (26, 3350845), (65, 1340338), (71, 1227070), (130, 670169), (142, 613535), (355, 245414), (710, 122707), (923, 94390), (1846, 47195), (4615, 18878), (9230, 9439)]