210999784

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1\times {\mathrm{401}}^1$

素因数の和:550

約数の個数: 64

約数和(自身を含む): 433725840

約数和(自身を除く): 222726056

約数列:

[1, 2, 4, 8, 17, 34, 53, 68, 73, 106, 136, 146, 212, 292, 401, 424, 584, 802, 901, 1241, 1604, 1802, 2482, 3208, 3604, 3869, 4964, 6817, 7208, 7738, 9928, 13634, 15476, 21253, 27268, 29273, 30952, 42506, 54536, 58546, 65773, 85012, 117092, 131546, 170024, 234184, 263092, 361301, 497641, 526184, 722602, 995282, 1445204, 1551469, 1990564, 2890408, 3102938, 3981128, 6205876, 12411752, 26374973, 52749946, 105499892, 210999784]

約数ペア:

[(1, 210999784), (2, 105499892), (4, 52749946), (8, 26374973), (17, 12411752), (34, 6205876), (53, 3981128), (68, 3102938), (73, 2890408), (106, 1990564), (136, 1551469), (146, 1445204), (212, 995282), (292, 722602), (401, 526184), (424, 497641), (584, 361301), (802, 263092), (901, 234184), (1241, 170024), (1604, 131546), (1802, 117092), (2482, 85012), (3208, 65773), (3604, 58546), (3869, 54536), (4964, 42506), (6817, 30952), (7208, 29273), (7738, 27268), (9928, 21253), (13634, 15476)]