388630908

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^2\times {\mathrm{20407}}^1$

素因数の和:20463

約数の個数: 54

約数和(自身を含む): 1026991784

約数和(自身を除く): 638360876

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 69, 92, 138, 207, 276, 414, 529, 828, 1058, 1587, 2116, 3174, 4761, 6348, 9522, 19044, 20407, 40814, 61221, 81628, 122442, 183663, 244884, 367326, 469361, 734652, 938722, 1408083, 1877444, 2816166, 4224249, 5632332, 8448498, 10795303, 16896996, 21590606, 32385909, 43181212, 64771818, 97157727, 129543636, 194315454, 388630908]

約数ペア:

[(1, 388630908), (2, 194315454), (3, 129543636), (4, 97157727), (6, 64771818), (9, 43181212), (12, 32385909), (18, 21590606), (23, 16896996), (36, 10795303), (46, 8448498), (69, 5632332), (92, 4224249), (138, 2816166), (207, 1877444), (276, 1408083), (414, 938722), (529, 734652), (828, 469361), (1058, 367326), (1587, 244884), (2116, 183663), (3174, 122442), (4761, 81628), (6348, 61221), (9522, 40814), (19044, 20407)]