31955495

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{239}}^1$

素因数の和:296

約数の個数: 48

約数和(自身を含む): 48263040

約数和(自身を除く): 16307545

約数列:

[1, 5, 11, 13, 17, 55, 65, 85, 121, 143, 187, 221, 239, 605, 715, 935, 1105, 1195, 1573, 2057, 2431, 2629, 3107, 4063, 7865, 10285, 12155, 13145, 15535, 20315, 26741, 28919, 34177, 44693, 52819, 133705, 144595, 170885, 223465, 264095, 375947, 491623, 581009, 1879735, 2458115, 2905045, 6391099, 31955495]

約数ペア:

[(1, 31955495), (5, 6391099), (11, 2905045), (13, 2458115), (17, 1879735), (55, 581009), (65, 491623), (85, 375947), (121, 264095), (143, 223465), (187, 170885), (221, 144595), (239, 133705), (605, 52819), (715, 44693), (935, 34177), (1105, 28919), (1195, 26741), (1573, 20315), (2057, 15535), (2431, 13145), (2629, 12155), (3107, 10285), (4063, 7865)]