391751507704

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{797}}^1\times {\mathrm{43793}}^1$

素因数の和:44680

約数の個数: 64

約数和(自身を含む): 780030699840

約数和(自身を除く): 388279192136

約数列:

[1, 2, 4, 8, 23, 46, 61, 92, 122, 184, 244, 488, 797, 1403, 1594, 2806, 3188, 5612, 6376, 11224, 18331, 36662, 43793, 48617, 73324, 87586, 97234, 146648, 175172, 194468, 350344, 388936, 1007239, 1118191, 2014478, 2236382, 2671373, 4028956, 4472764, 5342746, 8057912, 8945528, 10685492, 21370984, 34903021, 61441579, 69806042, 122883158, 139612084, 245766316, 279224168, 491532632, 802769483, 1605538966, 2129084281, 3211077932, 4258168562, 6422155864, 8516337124, 17032674248, 48968938463, 97937876926, 195875753852, 391751507704]

約数ペア:

[(1, 391751507704), (2, 195875753852), (4, 97937876926), (8, 48968938463), (23, 17032674248), (46, 8516337124), (61, 6422155864), (92, 4258168562), (122, 3211077932), (184, 2129084281), (244, 1605538966), (488, 802769483), (797, 491532632), (1403, 279224168), (1594, 245766316), (2806, 139612084), (3188, 122883158), (5612, 69806042), (6376, 61441579), (11224, 34903021), (18331, 21370984), (36662, 10685492), (43793, 8945528), (48617, 8057912), (73324, 5342746), (87586, 4472764), (97234, 4028956), (146648, 2671373), (175172, 2236382), (194468, 2014478), (350344, 1118191), (388936, 1007239)]