215512930

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{431}}^1\times {\mathrm{1613}}^1$

素因数の和:2082

約数の個数: 32

約数和(自身を含む): 401614848

約数和(自身を除く): 186101918

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 431, 862, 1613, 2155, 3226, 4310, 8065, 13361, 16130, 26722, 50003, 66805, 100006, 133610, 250015, 500030, 695203, 1390406, 3476015, 6952030, 21551293, 43102586, 107756465, 215512930]

約数ペア:

[(1, 215512930), (2, 107756465), (5, 43102586), (10, 21551293), (31, 6952030), (62, 3476015), (155, 1390406), (310, 695203), (431, 500030), (862, 250015), (1613, 133610), (2155, 100006), (3226, 66805), (4310, 50003), (8065, 26722), (13361, 16130)]