78365393

素因数分解:

${\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{79}}^1$

素因数の和:221

約数の個数: 32

約数和(自身を含む): 91238400

約数和(自身を除く): 12873007

約数列:

[1, 17, 23, 43, 59, 79, 391, 731, 989, 1003, 1343, 1357, 1817, 2537, 3397, 4661, 16813, 23069, 30889, 43129, 57749, 58351, 78131, 79237, 107203, 200423, 991967, 1328227, 1822451, 3407191, 4609729, 78365393]

約数ペア:

[(1, 78365393), (17, 4609729), (23, 3407191), (43, 1822451), (59, 1328227), (79, 991967), (391, 200423), (731, 107203), (989, 79237), (1003, 78131), (1343, 58351), (1357, 57749), (1817, 43129), (2537, 30889), (3397, 23069), (4661, 16813)]