28781856

素因数分解:

$2^5\times 3^2\times {\mathrm{37}}^2\times {\mathrm{73}}^1$

素因数の和:163

約数の個数: 108

約数和(自身を含む): 85272642

約数和(自身を除く): 56490786

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 37, 48, 72, 73, 74, 96, 111, 144, 146, 148, 219, 222, 288, 292, 296, 333, 438, 444, 584, 592, 657, 666, 876, 888, 1168, 1184, 1314, 1332, 1369, 1752, 1776, 2336, 2628, 2664, 2701, 2738, 3504, 3552, 4107, 5256, 5328, 5402, 5476, 7008, 8103, 8214, 10512, 10656, 10804, 10952, 12321, 16206, 16428, 21024, 21608, 21904, 24309, 24642, 32412, 32856, 43216, 43808, 48618, 49284, 64824, 65712, 86432, 97236, 98568, 99937, 129648, 131424, 194472, 197136, 199874, 259296, 299811, 388944, 394272, 399748, 599622, 777888, 799496, 899433, 1199244, 1598992, 1798866, 2398488, 3197984, 3597732, 4796976, 7195464, 9593952, 14390928, 28781856]

約数ペア:

[(1, 28781856), (2, 14390928), (3, 9593952), (4, 7195464), (6, 4796976), (8, 3597732), (9, 3197984), (12, 2398488), (16, 1798866), (18, 1598992), (24, 1199244), (32, 899433), (36, 799496), (37, 777888), (48, 599622), (72, 399748), (73, 394272), (74, 388944), (96, 299811), (111, 259296), (144, 199874), (146, 197136), (148, 194472), (219, 131424), (222, 129648), (288, 99937), (292, 98568), (296, 97236), (333, 86432), (438, 65712), (444, 64824), (584, 49284), (592, 48618), (657, 43808), (666, 43216), (876, 32856), (888, 32412), (1168, 24642), (1184, 24309), (1314, 21904), (1332, 21608), (1369, 21024), (1752, 16428), (1776, 16206), (2336, 12321), (2628, 10952), (2664, 10804), (2701, 10656), (2738, 10512), (3504, 8214), (3552, 8103), (4107, 7008), (5256, 5476), (5328, 5402)]