1997668090

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{151}}^1\times {\mathrm{947}}^1$

素因数の和:1243

約数の個数: 64

約数和(自身を含む): 3983966208

約数和(自身を除く): 1986298118

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 127, 151, 254, 302, 635, 755, 947, 1270, 1397, 1510, 1661, 1894, 2794, 3322, 4735, 6985, 8305, 9470, 10417, 13970, 16610, 19177, 20834, 38354, 52085, 95885, 104170, 120269, 142997, 191770, 210947, 240538, 285994, 421894, 601345, 714985, 1054735, 1202690, 1322959, 1429970, 1572967, 2109470, 2645918, 3145934, 6614795, 7864835, 13229590, 15729670, 18160619, 36321238, 90803095, 181606190, 199766809, 399533618, 998834045, 1997668090]

約数ペア:

[(1, 1997668090), (2, 998834045), (5, 399533618), (10, 199766809), (11, 181606190), (22, 90803095), (55, 36321238), (110, 18160619), (127, 15729670), (151, 13229590), (254, 7864835), (302, 6614795), (635, 3145934), (755, 2645918), (947, 2109470), (1270, 1572967), (1397, 1429970), (1510, 1322959), (1661, 1202690), (1894, 1054735), (2794, 714985), (3322, 601345), (4735, 421894), (6985, 285994), (8305, 240538), (9470, 210947), (10417, 191770), (13970, 142997), (16610, 120269), (19177, 104170), (20834, 95885), (38354, 52085)]