388816974

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{237373}}^1$

素因数の和:237401

約数の個数: 48

約数和(自身を含む): 1036849632

約数和(自身を除く): 648032658

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 39, 42, 63, 78, 91, 117, 126, 182, 234, 273, 546, 819, 1638, 237373, 474746, 712119, 1424238, 1661611, 2136357, 3085849, 3323222, 4272714, 4984833, 6171698, 9257547, 9969666, 14954499, 18515094, 21600943, 27772641, 29908998, 43201886, 55545282, 64802829, 129605658, 194408487, 388816974]

約数ペア:

[(1, 388816974), (2, 194408487), (3, 129605658), (6, 64802829), (7, 55545282), (9, 43201886), (13, 29908998), (14, 27772641), (18, 21600943), (21, 18515094), (26, 14954499), (39, 9969666), (42, 9257547), (63, 6171698), (78, 4984833), (91, 4272714), (117, 3323222), (126, 3085849), (182, 2136357), (234, 1661611), (273, 1424238), (546, 712119), (819, 474746), (1638, 237373)]