216382790

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{53693}}^1$

素因数の和:53744

約数の個数: 32

約数和(自身を含む): 432988416

約数和(自身を除く): 216605626

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 53693, 107386, 268465, 536930, 698009, 1396018, 1664483, 3328966, 3490045, 6980090, 8322415, 16644830, 21638279, 43276558, 108191395, 216382790]

約数ペア:

[(1, 216382790), (2, 108191395), (5, 43276558), (10, 21638279), (13, 16644830), (26, 8322415), (31, 6980090), (62, 3490045), (65, 3328966), (130, 1664483), (155, 1396018), (310, 698009), (403, 536930), (806, 268465), (2015, 107386), (4030, 53693)]