30920855

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{541}}^1$

素因数の和:647

約数の個数: 32

約数和(自身を含む): 44955648

約数和(自身を除く): 14034793

約数列:

[1, 5, 7, 23, 35, 71, 115, 161, 355, 497, 541, 805, 1633, 2485, 2705, 3787, 8165, 11431, 12443, 18935, 38411, 57155, 62215, 87101, 192055, 268877, 435505, 883453, 1344385, 4417265, 6184171, 30920855]

約数ペア:

[(1, 30920855), (5, 6184171), (7, 4417265), (23, 1344385), (35, 883453), (71, 435505), (115, 268877), (161, 192055), (355, 87101), (497, 62215), (541, 57155), (805, 38411), (1633, 18935), (2485, 12443), (2705, 11431), (3787, 8165)]