221479790

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{173}}^1\times {\mathrm{18289}}^1$

素因数の和:18476

約数の個数: 32

約数和(自身を含む): 458274240

約数和(自身を除く): 236794450

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 173, 346, 865, 1211, 1730, 2422, 6055, 12110, 18289, 36578, 91445, 128023, 182890, 256046, 640115, 1280230, 3163997, 6327994, 15819985, 22147979, 31639970, 44295958, 110739895, 221479790]

約数ペア:

[(1, 221479790), (2, 110739895), (5, 44295958), (7, 31639970), (10, 22147979), (14, 15819985), (35, 6327994), (70, 3163997), (173, 1280230), (346, 640115), (865, 256046), (1211, 182890), (1730, 128023), (2422, 91445), (6055, 36578), (12110, 18289)]