991897295

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{293}}^1\times {\mathrm{631}}^1$

素因数の和:995

約数の個数: 32

約数和(自身を含む): 1270926720

約数和(自身を除く): 279029425

約数列:

[1, 5, 29, 37, 145, 185, 293, 631, 1073, 1465, 3155, 5365, 8497, 10841, 18299, 23347, 42485, 54205, 91495, 116735, 184883, 314389, 677063, 924415, 1571945, 3385315, 5361607, 6840671, 26808035, 34203355, 198379459, 991897295]

約数ペア:

[(1, 991897295), (5, 198379459), (29, 34203355), (37, 26808035), (145, 6840671), (185, 5361607), (293, 3385315), (631, 1571945), (1073, 924415), (1465, 677063), (3155, 314389), (5365, 184883), (8497, 116735), (10841, 91495), (18299, 54205), (23347, 42485)]