28620018

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{37}}^1\times {\mathrm{877}}^1$

素因数の和:936

約数の個数: 72

約数和(自身を含む): 74168172

約数和(自身を除く): 45548154

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 37, 42, 49, 63, 74, 98, 111, 126, 147, 222, 259, 294, 333, 441, 518, 666, 777, 877, 882, 1554, 1754, 1813, 2331, 2631, 3626, 4662, 5262, 5439, 6139, 7893, 10878, 12278, 15786, 16317, 18417, 32449, 32634, 36834, 42973, 55251, 64898, 85946, 97347, 110502, 128919, 194694, 227143, 257838, 292041, 386757, 454286, 584082, 681429, 773514, 1362858, 1590001, 2044287, 3180002, 4088574, 4770003, 9540006, 14310009, 28620018]

約数ペア:

[(1, 28620018), (2, 14310009), (3, 9540006), (6, 4770003), (7, 4088574), (9, 3180002), (14, 2044287), (18, 1590001), (21, 1362858), (37, 773514), (42, 681429), (49, 584082), (63, 454286), (74, 386757), (98, 292041), (111, 257838), (126, 227143), (147, 194694), (222, 128919), (259, 110502), (294, 97347), (333, 85946), (441, 64898), (518, 55251), (666, 42973), (777, 36834), (877, 32634), (882, 32449), (1554, 18417), (1754, 16317), (1813, 15786), (2331, 12278), (2631, 10878), (3626, 7893), (4662, 6139), (5262, 5439)]