140812028

素因数分解:

$2^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{193}}^1\times {\mathrm{367}}^1$

素因数の和:642

約数の個数: 48

約数和(自身を含む): 287852544

約数和(自身を除く): 147040516

約数列:

[1, 2, 4, 7, 14, 28, 71, 142, 193, 284, 367, 386, 497, 734, 772, 994, 1351, 1468, 1988, 2569, 2702, 5138, 5404, 10276, 13703, 26057, 27406, 52114, 54812, 70831, 95921, 104228, 141662, 182399, 191842, 283324, 364798, 383684, 495817, 729596, 991634, 1983268, 5029001, 10058002, 20116004, 35203007, 70406014, 140812028]

約数ペア:

[(1, 140812028), (2, 70406014), (4, 35203007), (7, 20116004), (14, 10058002), (28, 5029001), (71, 1983268), (142, 991634), (193, 729596), (284, 495817), (367, 383684), (386, 364798), (497, 283324), (734, 191842), (772, 182399), (994, 141662), (1351, 104228), (1468, 95921), (1988, 70831), (2569, 54812), (2702, 52114), (5138, 27406), (5404, 26057), (10276, 13703)]