81820966

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{521}}^1$

素因数の和:720

約数の個数: 32

約数和(自身を含む): 135302400

約数和(自身を除く): 53481434

約数列:

[1, 2, 17, 31, 34, 62, 149, 298, 521, 527, 1042, 1054, 2533, 4619, 5066, 8857, 9238, 16151, 17714, 32302, 77629, 78523, 155258, 157046, 274567, 549134, 1319693, 2406499, 2639386, 4812998, 40910483, 81820966]

約数ペア:

[(1, 81820966), (2, 40910483), (17, 4812998), (31, 2639386), (34, 2406499), (62, 1319693), (149, 549134), (298, 274567), (521, 157046), (527, 155258), (1042, 78523), (1054, 77629), (2533, 32302), (4619, 17714), (5066, 16151), (8857, 9238)]