1381861208

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{61231}}^1$

素因数の和:61288

約数の個数: 64

約数和(自身を含む): 3291832320

約数和(自身を除く): 1909971112

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 31, 52, 56, 62, 91, 104, 124, 182, 217, 248, 364, 403, 434, 728, 806, 868, 1612, 1736, 2821, 3224, 5642, 11284, 22568, 61231, 122462, 244924, 428617, 489848, 796003, 857234, 1592006, 1714468, 1898161, 3184012, 3428936, 3796322, 5572021, 6368024, 7592644, 11144042, 13287127, 15185288, 22288084, 24676093, 26574254, 44576168, 49352186, 53148508, 98704372, 106297016, 172732651, 197408744, 345465302, 690930604, 1381861208]

約数ペア:

[(1, 1381861208), (2, 690930604), (4, 345465302), (7, 197408744), (8, 172732651), (13, 106297016), (14, 98704372), (26, 53148508), (28, 49352186), (31, 44576168), (52, 26574254), (56, 24676093), (62, 22288084), (91, 15185288), (104, 13287127), (124, 11144042), (182, 7592644), (217, 6368024), (248, 5572021), (364, 3796322), (403, 3428936), (434, 3184012), (728, 1898161), (806, 1714468), (868, 1592006), (1612, 857234), (1736, 796003), (2821, 489848), (3224, 428617), (5642, 244924), (11284, 122462), (22568, 61231)]