2145968

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{137}}^1$

素因数の和:245

約数の個数: 40

約数和(自身を含む): 4620240

約数和(自身を除く): 2474272

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 89, 137, 176, 178, 274, 356, 548, 712, 979, 1096, 1424, 1507, 1958, 2192, 3014, 3916, 6028, 7832, 12056, 12193, 15664, 24112, 24386, 48772, 97544, 134123, 195088, 268246, 536492, 1072984, 2145968]

約数ペア:

[(1, 2145968), (2, 1072984), (4, 536492), (8, 268246), (11, 195088), (16, 134123), (22, 97544), (44, 48772), (88, 24386), (89, 24112), (137, 15664), (176, 12193), (178, 12056), (274, 7832), (356, 6028), (548, 3916), (712, 3014), (979, 2192), (1096, 1958), (1424, 1507)]