215236242

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{21391}}^1$

素因数の和:21455

約数の個数: 48

約数和(自身を含む): 513921408

約数和(自身を除く): 298685166

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 43, 78, 86, 117, 129, 234, 258, 387, 559, 774, 1118, 1677, 3354, 5031, 10062, 21391, 42782, 64173, 128346, 192519, 278083, 385038, 556166, 834249, 919813, 1668498, 1839626, 2502747, 2759439, 5005494, 5518878, 8278317, 11957569, 16556634, 23915138, 35872707, 71745414, 107618121, 215236242]

約数ペア:

[(1, 215236242), (2, 107618121), (3, 71745414), (6, 35872707), (9, 23915138), (13, 16556634), (18, 11957569), (26, 8278317), (39, 5518878), (43, 5005494), (78, 2759439), (86, 2502747), (117, 1839626), (129, 1668498), (234, 919813), (258, 834249), (387, 556166), (559, 385038), (774, 278083), (1118, 192519), (1677, 128346), (3354, 64173), (5031, 42782), (10062, 21391)]