398304872

素因数分解:

$2^3\times 7^1\times {\mathrm{43}}^1\times {\mathrm{251}}^1\times {\mathrm{659}}^1$

素因数の和:966

約数の個数: 64

約数和(自身を含む): 878169600

約数和(自身を除く): 479864728

約数列:

[1, 2, 4, 7, 8, 14, 28, 43, 56, 86, 172, 251, 301, 344, 502, 602, 659, 1004, 1204, 1318, 1757, 2008, 2408, 2636, 3514, 4613, 5272, 7028, 9226, 10793, 14056, 18452, 21586, 28337, 36904, 43172, 56674, 75551, 86344, 113348, 151102, 165409, 198359, 226696, 302204, 330818, 396718, 604408, 661636, 793436, 1157863, 1323272, 1586872, 2315726, 4631452, 7112587, 9262904, 14225174, 28450348, 49788109, 56900696, 99576218, 199152436, 398304872]

約数ペア:

[(1, 398304872), (2, 199152436), (4, 99576218), (7, 56900696), (8, 49788109), (14, 28450348), (28, 14225174), (43, 9262904), (56, 7112587), (86, 4631452), (172, 2315726), (251, 1586872), (301, 1323272), (344, 1157863), (502, 793436), (602, 661636), (659, 604408), (1004, 396718), (1204, 330818), (1318, 302204), (1757, 226696), (2008, 198359), (2408, 165409), (2636, 151102), (3514, 113348), (4613, 86344), (5272, 75551), (7028, 56674), (9226, 43172), (10793, 36904), (14056, 28337), (18452, 21586)]