257425908

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{211}}^1\times {\mathrm{5351}}^1$

素因数の和:5588

約数の個数: 48

約数和(自身を含む): 635389440

約数和(自身を除く): 377963532

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 76, 114, 211, 228, 422, 633, 844, 1266, 2532, 4009, 5351, 8018, 10702, 12027, 16036, 16053, 21404, 24054, 32106, 48108, 64212, 101669, 203338, 305007, 406676, 610014, 1129061, 1220028, 2258122, 3387183, 4516244, 6774366, 13548732, 21452159, 42904318, 64356477, 85808636, 128712954, 257425908]

約数ペア:

[(1, 257425908), (2, 128712954), (3, 85808636), (4, 64356477), (6, 42904318), (12, 21452159), (19, 13548732), (38, 6774366), (57, 4516244), (76, 3387183), (114, 2258122), (211, 1220028), (228, 1129061), (422, 610014), (633, 406676), (844, 305007), (1266, 203338), (2532, 101669), (4009, 64212), (5351, 48108), (8018, 32106), (10702, 24054), (12027, 21404), (16036, 16053)]