1990456312

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{373}}^1\times {\mathrm{3947}}^1$

素因数の和:4352

約数の個数: 48

約数和(自身を含む): 4053135240

約数和(自身を除く): 2062678928

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 169, 338, 373, 676, 746, 1352, 1492, 2984, 3947, 4849, 7894, 9698, 15788, 19396, 31576, 38792, 51311, 63037, 102622, 126074, 205244, 252148, 410488, 504296, 667043, 1334086, 1472231, 2668172, 2944462, 5336344, 5888924, 11777848, 19139003, 38278006, 76556012, 153112024, 248807039, 497614078, 995228156, 1990456312]

約数ペア:

[(1, 1990456312), (2, 995228156), (4, 497614078), (8, 248807039), (13, 153112024), (26, 76556012), (52, 38278006), (104, 19139003), (169, 11777848), (338, 5888924), (373, 5336344), (676, 2944462), (746, 2668172), (1352, 1472231), (1492, 1334086), (2984, 667043), (3947, 504296), (4849, 410488), (7894, 252148), (9698, 205244), (15788, 126074), (19396, 102622), (31576, 63037), (38792, 51311)]