278350228

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{2633}}^1$

素因数の和:2776

約数の個数: 48

約数和(自身を含む): 557565120

約数和(自身を除く): 279214892

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 107, 214, 247, 428, 494, 988, 1391, 2033, 2633, 2782, 4066, 5266, 5564, 8132, 10532, 26429, 34229, 50027, 52858, 68458, 100054, 105716, 136916, 200108, 281731, 563462, 650351, 1126924, 1300702, 2601404, 3662503, 5352889, 7325006, 10705778, 14650012, 21411556, 69587557, 139175114, 278350228]

約数ペア:

[(1, 278350228), (2, 139175114), (4, 69587557), (13, 21411556), (19, 14650012), (26, 10705778), (38, 7325006), (52, 5352889), (76, 3662503), (107, 2601404), (214, 1300702), (247, 1126924), (428, 650351), (494, 563462), (988, 281731), (1391, 200108), (2033, 136916), (2633, 105716), (2782, 100054), (4066, 68458), (5266, 52858), (5564, 50027), (8132, 34229), (10532, 26429)]