72671330

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{197}}^1\times {\mathrm{997}}^1$

素因数の和:1238

約数の個数: 32

約数和(自身を含む): 135161136

約数和(自身を除く): 62489806

約数列:

[1, 2, 5, 10, 37, 74, 185, 197, 370, 394, 985, 997, 1970, 1994, 4985, 7289, 9970, 14578, 36445, 36889, 72890, 73778, 184445, 196409, 368890, 392818, 982045, 1964090, 7267133, 14534266, 36335665, 72671330]

約数ペア:

[(1, 72671330), (2, 36335665), (5, 14534266), (10, 7267133), (37, 1964090), (74, 982045), (185, 392818), (197, 368890), (370, 196409), (394, 184445), (985, 73778), (997, 72890), (1970, 36889), (1994, 36445), (4985, 14578), (7289, 9970)]