17979031

素因数分解:

$7^3\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1$

素因数の和:140

約数の個数: 32

約数和(自身を含む): 22809600

約数和(自身を除く): 4830569

約数列:

[1, 7, 23, 43, 49, 53, 161, 301, 343, 371, 989, 1127, 1219, 2107, 2279, 2597, 6923, 7889, 8533, 14749, 15953, 18179, 48461, 52417, 59731, 111671, 339227, 366919, 418117, 781697, 2568433, 17979031]

約数ペア:

[(1, 17979031), (7, 2568433), (23, 781697), (43, 418117), (49, 366919), (53, 339227), (161, 111671), (301, 59731), (343, 52417), (371, 48461), (989, 18179), (1127, 15953), (1219, 14749), (2107, 8533), (2279, 7889), (2597, 6923)]