313335425

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{367}}^1$

素因数の和:498

約数の個数: 48

約数和(自身を含む): 436972032

約数和(自身を除く): 123636607

約数列:

[1, 5, 13, 25, 37, 65, 71, 185, 325, 355, 367, 481, 923, 925, 1775, 1835, 2405, 2627, 4615, 4771, 9175, 12025, 13135, 13579, 23075, 23855, 26057, 34151, 65675, 67895, 119275, 130285, 170755, 176527, 338741, 339475, 651425, 853775, 882635, 964109, 1693705, 4413175, 4820545, 8468525, 12533417, 24102725, 62667085, 313335425]

約数ペア:

[(1, 313335425), (5, 62667085), (13, 24102725), (25, 12533417), (37, 8468525), (65, 4820545), (71, 4413175), (185, 1693705), (325, 964109), (355, 882635), (367, 853775), (481, 651425), (923, 339475), (925, 338741), (1775, 176527), (1835, 170755), (2405, 130285), (2627, 119275), (4615, 67895), (4771, 65675), (9175, 34151), (12025, 26057), (13135, 23855), (13579, 23075)]