420218504

素因数分解:

$2^3\times {\mathrm{151}}^1\times {\mathrm{541}}^1\times {\mathrm{643}}^1$

素因数の和:1341

約数の個数: 32

約数和(自身を含む): 795829440

約数和(自身を除く): 375610936

約数列:

[1, 2, 4, 8, 151, 302, 541, 604, 643, 1082, 1208, 1286, 2164, 2572, 4328, 5144, 81691, 97093, 163382, 194186, 326764, 347863, 388372, 653528, 695726, 776744, 1391452, 2782904, 52527313, 105054626, 210109252, 420218504]

約数ペア:

[(1, 420218504), (2, 210109252), (4, 105054626), (8, 52527313), (151, 2782904), (302, 1391452), (541, 776744), (604, 695726), (643, 653528), (1082, 388372), (1208, 347863), (1286, 326764), (2164, 194186), (2572, 163382), (4328, 97093), (5144, 81691)]