205979306

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{97}}^1$

素因数の和:255

約数の個数: 64

約数和(自身を含む): 362734848

約数和(自身を除く): 156755542

約数列:

[1, 2, 13, 23, 26, 46, 53, 67, 97, 106, 134, 194, 299, 598, 689, 871, 1219, 1261, 1378, 1541, 1742, 2231, 2438, 2522, 3082, 3551, 4462, 5141, 6499, 7102, 10282, 12998, 15847, 20033, 29003, 31694, 40066, 46163, 58006, 66833, 81673, 84487, 92326, 118243, 133666, 149477, 163346, 168974, 236486, 298954, 344447, 688894, 1061749, 1537159, 1943201, 2123498, 3074318, 3886402, 4477811, 7922281, 8955622, 15844562, 102989653, 205979306]

約数ペア:

[(1, 205979306), (2, 102989653), (13, 15844562), (23, 8955622), (26, 7922281), (46, 4477811), (53, 3886402), (67, 3074318), (97, 2123498), (106, 1943201), (134, 1537159), (194, 1061749), (299, 688894), (598, 344447), (689, 298954), (871, 236486), (1219, 168974), (1261, 163346), (1378, 149477), (1541, 133666), (1742, 118243), (2231, 92326), (2438, 84487), (2522, 81673), (3082, 66833), (3551, 58006), (4462, 46163), (5141, 40066), (6499, 31694), (7102, 29003), (10282, 20033), (12998, 15847)]