221956128

素因数分解:

$2^5\times 3^2\times {\mathrm{773}}^1\times {\mathrm{997}}^1$

素因数の和:1786

約数の個数: 72

約数和(自身を含む): 632638188

約数和(自身を除く): 410682060

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 288, 773, 997, 1546, 1994, 2319, 2991, 3092, 3988, 4638, 5982, 6184, 6957, 7976, 8973, 9276, 11964, 12368, 13914, 15952, 17946, 18552, 23928, 24736, 27828, 31904, 35892, 37104, 47856, 55656, 71784, 74208, 95712, 111312, 143568, 222624, 287136, 770681, 1541362, 2312043, 3082724, 4624086, 6165448, 6936129, 9248172, 12330896, 13872258, 18496344, 24661792, 27744516, 36992688, 55489032, 73985376, 110978064, 221956128]

約数ペア:

[(1, 221956128), (2, 110978064), (3, 73985376), (4, 55489032), (6, 36992688), (8, 27744516), (9, 24661792), (12, 18496344), (16, 13872258), (18, 12330896), (24, 9248172), (32, 6936129), (36, 6165448), (48, 4624086), (72, 3082724), (96, 2312043), (144, 1541362), (288, 770681), (773, 287136), (997, 222624), (1546, 143568), (1994, 111312), (2319, 95712), (2991, 74208), (3092, 71784), (3988, 55656), (4638, 47856), (5982, 37104), (6184, 35892), (6957, 31904), (7976, 27828), (8973, 24736), (9276, 23928), (11964, 18552), (12368, 17946), (13914, 15952)]