387865504

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{21683}}^1$

素因数の和:21749

約数の個数: 48

約数和(自身を含む): 841512672

約数和(自身を除く): 453647168

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 43, 52, 86, 104, 172, 208, 344, 416, 559, 688, 1118, 1376, 2236, 4472, 8944, 17888, 21683, 43366, 86732, 173464, 281879, 346928, 563758, 693856, 932369, 1127516, 1864738, 2255032, 3729476, 4510064, 7458952, 9020128, 12120797, 14917904, 24241594, 29835808, 48483188, 96966376, 193932752, 387865504]

約数ペア:

[(1, 387865504), (2, 193932752), (4, 96966376), (8, 48483188), (13, 29835808), (16, 24241594), (26, 14917904), (32, 12120797), (43, 9020128), (52, 7458952), (86, 4510064), (104, 3729476), (172, 2255032), (208, 1864738), (344, 1127516), (416, 932369), (559, 693856), (688, 563758), (1118, 346928), (1376, 281879), (2236, 173464), (4472, 86732), (8944, 43366), (17888, 21683)]