666847908

素因数分解:

$2^2\times 3^2\times {\mathrm{53}}^1\times {\mathrm{373}}^1\times {\mathrm{937}}^1$

素因数の和:1373

約数の個数: 72

約数和(自身を含む): 1723890168

約数和(自身を除く): 1057042260

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 53, 106, 159, 212, 318, 373, 477, 636, 746, 937, 954, 1119, 1492, 1874, 1908, 2238, 2811, 3357, 3748, 4476, 5622, 6714, 8433, 11244, 13428, 16866, 19769, 33732, 39538, 49661, 59307, 79076, 99322, 118614, 148983, 177921, 198644, 237228, 297966, 349501, 355842, 446949, 595932, 699002, 711684, 893898, 1048503, 1398004, 1787796, 2097006, 3145509, 4194012, 6291018, 12582036, 18523553, 37047106, 55570659, 74094212, 111141318, 166711977, 222282636, 333423954, 666847908]

約数ペア:

[(1, 666847908), (2, 333423954), (3, 222282636), (4, 166711977), (6, 111141318), (9, 74094212), (12, 55570659), (18, 37047106), (36, 18523553), (53, 12582036), (106, 6291018), (159, 4194012), (212, 3145509), (318, 2097006), (373, 1787796), (477, 1398004), (636, 1048503), (746, 893898), (937, 711684), (954, 699002), (1119, 595932), (1492, 446949), (1874, 355842), (1908, 349501), (2238, 297966), (2811, 237228), (3357, 198644), (3748, 177921), (4476, 148983), (5622, 118614), (6714, 99322), (8433, 79076), (11244, 59307), (13428, 49661), (16866, 39538), (19769, 33732)]