352661270

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{87509}}^1$

素因数の和:87560

約数の個数: 32

約数和(自身を含む): 705680640

約数和(自身を除く): 353019370

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 87509, 175018, 437545, 875090, 1137617, 2275234, 2712779, 5425558, 5688085, 11376170, 13563895, 27127790, 35266127, 70532254, 176330635, 352661270]

約数ペア:

[(1, 352661270), (2, 176330635), (5, 70532254), (10, 35266127), (13, 27127790), (26, 13563895), (31, 11376170), (62, 5688085), (65, 5425558), (130, 2712779), (155, 2275234), (310, 1137617), (403, 875090), (806, 437545), (2015, 175018), (4030, 87509)]