28924225

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{269}}^1$

素因数の和:330

約数の個数: 48

約数和(自身を含む): 43390080

約数和(自身を除く): 14465855

約数列:

[1, 5, 11, 17, 23, 25, 55, 85, 115, 187, 253, 269, 275, 391, 425, 575, 935, 1265, 1345, 1955, 2959, 4301, 4573, 4675, 6187, 6325, 6725, 9775, 14795, 21505, 22865, 30935, 50303, 68057, 73975, 105179, 107525, 114325, 154675, 251515, 340285, 525895, 1156969, 1257575, 1701425, 2629475, 5784845, 28924225]

約数ペア:

[(1, 28924225), (5, 5784845), (11, 2629475), (17, 1701425), (23, 1257575), (25, 1156969), (55, 525895), (85, 340285), (115, 251515), (187, 154675), (253, 114325), (269, 107525), (275, 105179), (391, 73975), (425, 68057), (575, 50303), (935, 30935), (1265, 22865), (1345, 21505), (1955, 14795), (2959, 9775), (4301, 6725), (4573, 6325), (4675, 6187)]