28905888963

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{353}}^1\times {\mathrm{8923}}^1$

素因数の和:9328

約数の個数: 64

約数和(自身を含む): 48523714560

約数和(自身を除く): 19617825597

約数列:

[1, 3, 7, 19, 21, 23, 57, 69, 133, 161, 353, 399, 437, 483, 1059, 1311, 2471, 3059, 6707, 7413, 8119, 8923, 9177, 20121, 24357, 26769, 46949, 56833, 62461, 140847, 154261, 169537, 170499, 187383, 205229, 462783, 508611, 615687, 1079827, 1186759, 1436603, 3149819, 3239481, 3560277, 3899351, 4309809, 9449457, 11698053, 22048733, 27295457, 59846561, 66146199, 72445837, 81886371, 179539683, 217337511, 418925927, 507120859, 1256777781, 1376470903, 1521362577, 4129412709, 9635296321, 28905888963]

約数ペア:

[(1, 28905888963), (3, 9635296321), (7, 4129412709), (19, 1521362577), (21, 1376470903), (23, 1256777781), (57, 507120859), (69, 418925927), (133, 217337511), (161, 179539683), (353, 81886371), (399, 72445837), (437, 66146199), (483, 59846561), (1059, 27295457), (1311, 22048733), (2471, 11698053), (3059, 9449457), (6707, 4309809), (7413, 3899351), (8119, 3560277), (8923, 3239481), (9177, 3149819), (20121, 1436603), (24357, 1186759), (26769, 1079827), (46949, 615687), (56833, 508611), (62461, 462783), (140847, 205229), (154261, 187383), (169537, 170499)]