31604345

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1$

素因数の和:233

約数の個数: 32

約数和(自身を含む): 41472000

約数和(自身を除く): 9867655

約数列:

[1, 5, 29, 31, 79, 89, 145, 155, 395, 445, 899, 2291, 2449, 2581, 2759, 4495, 7031, 11455, 12245, 12905, 13795, 35155, 71021, 80011, 203899, 217961, 355105, 400055, 1019495, 1089805, 6320869, 31604345]

約数ペア:

[(1, 31604345), (5, 6320869), (29, 1089805), (31, 1019495), (79, 400055), (89, 355105), (145, 217961), (155, 203899), (395, 80011), (445, 71021), (899, 35155), (2291, 13795), (2449, 12905), (2581, 12245), (2759, 11455), (4495, 7031)]