142691185

素因数分解:

$5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{631}}^1$

素因数の和:734

約数の個数: 48

約数和(自身を含む): 217873152

約数和(自身を除く): 75181967

約数列:

[1, 5, 7, 13, 35, 49, 65, 71, 91, 245, 355, 455, 497, 631, 637, 923, 2485, 3155, 3185, 3479, 4417, 4615, 6461, 8203, 17395, 22085, 30919, 32305, 41015, 44801, 45227, 57421, 154595, 224005, 226135, 287105, 313607, 401947, 582413, 1568035, 2009735, 2195249, 2912065, 4076891, 10976245, 20384455, 28538237, 142691185]

約数ペア:

[(1, 142691185), (5, 28538237), (7, 20384455), (13, 10976245), (35, 4076891), (49, 2912065), (65, 2195249), (71, 2009735), (91, 1568035), (245, 582413), (355, 401947), (455, 313607), (497, 287105), (631, 226135), (637, 224005), (923, 154595), (2485, 57421), (3155, 45227), (3185, 44801), (3479, 41015), (4417, 32305), (4615, 30919), (6461, 22085), (8203, 17395)]