16663864

素因数分解:

$2^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{331}}^1$

素因数の和:404

約数の個数: 64

約数和(自身を含む): 38246400

約数和(自身を除く): 21582536

約数列:

[1, 2, 4, 7, 8, 14, 28, 29, 31, 56, 58, 62, 116, 124, 203, 217, 232, 248, 331, 406, 434, 662, 812, 868, 899, 1324, 1624, 1736, 1798, 2317, 2648, 3596, 4634, 6293, 7192, 9268, 9599, 10261, 12586, 18536, 19198, 20522, 25172, 38396, 41044, 50344, 67193, 71827, 76792, 82088, 134386, 143654, 268772, 287308, 297569, 537544, 574616, 595138, 1190276, 2082983, 2380552, 4165966, 8331932, 16663864]

約数ペア:

[(1, 16663864), (2, 8331932), (4, 4165966), (7, 2380552), (8, 2082983), (14, 1190276), (28, 595138), (29, 574616), (31, 537544), (56, 297569), (58, 287308), (62, 268772), (116, 143654), (124, 134386), (203, 82088), (217, 76792), (232, 71827), (248, 67193), (331, 50344), (406, 41044), (434, 38396), (662, 25172), (812, 20522), (868, 19198), (899, 18536), (1324, 12586), (1624, 10261), (1736, 9599), (1798, 9268), (2317, 7192), (2648, 6293), (3596, 4634)]