28765550556

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^1\times {\mathrm{467}}^1\times {\mathrm{39791}}^1$

素因数の和:40311

約数の個数: 72

約数和(自身を含む): 74565114624

約数和(自身を除く): 45799564068

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 86, 129, 172, 258, 387, 467, 516, 774, 934, 1401, 1548, 1868, 2802, 4203, 5604, 8406, 16812, 20081, 39791, 40162, 60243, 79582, 80324, 119373, 120486, 159164, 180729, 238746, 240972, 358119, 361458, 477492, 716238, 722916, 1432476, 1711013, 3422026, 5133039, 6844052, 10266078, 15399117, 18582397, 20532156, 30798234, 37164794, 55747191, 61596468, 74329588, 111494382, 167241573, 222988764, 334483146, 668966292, 799043071, 1598086142, 2397129213, 3196172284, 4794258426, 7191387639, 9588516852, 14382775278, 28765550556]

約数ペア:

[(1, 28765550556), (2, 14382775278), (3, 9588516852), (4, 7191387639), (6, 4794258426), (9, 3196172284), (12, 2397129213), (18, 1598086142), (36, 799043071), (43, 668966292), (86, 334483146), (129, 222988764), (172, 167241573), (258, 111494382), (387, 74329588), (467, 61596468), (516, 55747191), (774, 37164794), (934, 30798234), (1401, 20532156), (1548, 18582397), (1868, 15399117), (2802, 10266078), (4203, 6844052), (5604, 5133039), (8406, 3422026), (16812, 1711013), (20081, 1432476), (39791, 722916), (40162, 716238), (60243, 477492), (79582, 361458), (80324, 358119), (119373, 240972), (120486, 238746), (159164, 180729)]