81996610

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{313}}^1$

素因数の和:427

約数の個数: 64

約数和(自身を含む): 166033152

約数和(自身を除く): 84036542

約数列:

[1, 2, 5, 10, 17, 23, 34, 46, 67, 85, 115, 134, 170, 230, 313, 335, 391, 626, 670, 782, 1139, 1541, 1565, 1955, 2278, 3082, 3130, 3910, 5321, 5695, 7199, 7705, 10642, 11390, 14398, 15410, 20971, 26197, 26605, 35995, 41942, 52394, 53210, 71990, 104855, 122383, 130985, 209710, 244766, 261970, 356507, 482333, 611915, 713014, 964666, 1223830, 1782535, 2411665, 3565070, 4823330, 8199661, 16399322, 40998305, 81996610]

約数ペア:

[(1, 81996610), (2, 40998305), (5, 16399322), (10, 8199661), (17, 4823330), (23, 3565070), (34, 2411665), (46, 1782535), (67, 1223830), (85, 964666), (115, 713014), (134, 611915), (170, 482333), (230, 356507), (313, 261970), (335, 244766), (391, 209710), (626, 130985), (670, 122383), (782, 104855), (1139, 71990), (1541, 53210), (1565, 52394), (1955, 41942), (2278, 35995), (3082, 26605), (3130, 26197), (3910, 20971), (5321, 15410), (5695, 14398), (7199, 11390), (7705, 10642)]