1289228416

素因数分解:

$2^7\times 7^2\times {\mathrm{205553}}^1$

素因数の和:205581

約数の個数: 48

約数和(自身を含む): 2987727390

約数和(自身を除く): 1698498974

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 128, 196, 224, 392, 448, 784, 896, 1568, 3136, 6272, 205553, 411106, 822212, 1438871, 1644424, 2877742, 3288848, 5755484, 6577696, 10072097, 11510968, 13155392, 20144194, 23021936, 26310784, 40288388, 46043872, 80576776, 92087744, 161153552, 184175488, 322307104, 644614208, 1289228416]

約数ペア:

[(1, 1289228416), (2, 644614208), (4, 322307104), (7, 184175488), (8, 161153552), (14, 92087744), (16, 80576776), (28, 46043872), (32, 40288388), (49, 26310784), (56, 23021936), (64, 20144194), (98, 13155392), (112, 11510968), (128, 10072097), (196, 6577696), (224, 5755484), (392, 3288848), (448, 2877742), (784, 1644424), (896, 1438871), (1568, 822212), (3136, 411106), (6272, 205553)]