78913219

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{101}}^1\times {\mathrm{139}}^1$

素因数の和:331

約数の個数: 32

約数和(自身を含む): 101445120

約数和(自身を除く): 22531901

約数列:

[1, 7, 11, 73, 77, 101, 139, 511, 707, 803, 973, 1111, 1529, 5621, 7373, 7777, 10147, 10703, 14039, 51611, 71029, 81103, 98273, 111617, 154429, 567721, 781319, 1024847, 1081003, 7173929, 11273317, 78913219]

約数ペア:

[(1, 78913219), (7, 11273317), (11, 7173929), (73, 1081003), (77, 1024847), (101, 781319), (139, 567721), (511, 154429), (707, 111617), (803, 98273), (973, 81103), (1111, 71029), (1529, 51611), (5621, 14039), (7373, 10703), (7777, 10147)]