28396375

素因数分解:

$5^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1$

素因数の和:145

約数の個数: 64

約数和(自身を含む): 45287424

約数和(自身を除く): 16891049

約数列:

[1, 5, 7, 17, 23, 25, 35, 83, 85, 115, 119, 125, 161, 175, 391, 415, 425, 575, 581, 595, 805, 875, 1411, 1909, 1955, 2075, 2125, 2737, 2875, 2905, 2975, 4025, 7055, 9545, 9775, 9877, 10375, 13363, 13685, 14525, 14875, 20125, 32453, 35275, 47725, 48875, 49385, 66815, 68425, 72625, 162265, 176375, 227171, 238625, 246925, 334075, 342125, 811325, 1135855, 1234625, 1670375, 4056625, 5679275, 28396375]

約数ペア:

[(1, 28396375), (5, 5679275), (7, 4056625), (17, 1670375), (23, 1234625), (25, 1135855), (35, 811325), (83, 342125), (85, 334075), (115, 246925), (119, 238625), (125, 227171), (161, 176375), (175, 162265), (391, 72625), (415, 68425), (425, 66815), (575, 49385), (581, 48875), (595, 47725), (805, 35275), (875, 32453), (1411, 20125), (1909, 14875), (1955, 14525), (2075, 13685), (2125, 13363), (2737, 10375), (2875, 9877), (2905, 9775), (2975, 9545), (4025, 7055)]