28306806

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1$

素因数の和:245

約数の個数: 64

約数和(自身を含む): 64281600

約数和(自身を除く): 35974794

約数列:

[1, 2, 3, 6, 11, 22, 33, 61, 66, 79, 89, 122, 158, 178, 183, 237, 267, 366, 474, 534, 671, 869, 979, 1342, 1738, 1958, 2013, 2607, 2937, 4026, 4819, 5214, 5429, 5874, 7031, 9638, 10858, 14062, 14457, 16287, 21093, 28914, 32574, 42186, 53009, 59719, 77341, 106018, 119438, 154682, 159027, 179157, 232023, 318054, 358314, 428891, 464046, 857782, 1286673, 2573346, 4717801, 9435602, 14153403, 28306806]

約数ペア:

[(1, 28306806), (2, 14153403), (3, 9435602), (6, 4717801), (11, 2573346), (22, 1286673), (33, 857782), (61, 464046), (66, 428891), (79, 358314), (89, 318054), (122, 232023), (158, 179157), (178, 159027), (183, 154682), (237, 119438), (267, 106018), (366, 77341), (474, 59719), (534, 53009), (671, 42186), (869, 32574), (979, 28914), (1342, 21093), (1738, 16287), (1958, 14457), (2013, 14062), (2607, 10858), (2937, 9638), (4026, 7031), (4819, 5874), (5214, 5429)]