128747330

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{389}}^1\times {\mathrm{1439}}^1$

素因数の和:1858

約数の個数: 32

約数和(自身を含む): 242611200

約数和(自身を除く): 113863870

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 389, 778, 1439, 1945, 2878, 3890, 7195, 8947, 14390, 17894, 33097, 44735, 66194, 89470, 165485, 330970, 559771, 1119542, 2798855, 5597710, 12874733, 25749466, 64373665, 128747330]

約数ペア:

[(1, 128747330), (2, 64373665), (5, 25749466), (10, 12874733), (23, 5597710), (46, 2798855), (115, 1119542), (230, 559771), (389, 330970), (778, 165485), (1439, 89470), (1945, 66194), (2878, 44735), (3890, 33097), (7195, 17894), (8947, 14390)]