16557968

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{251}}^1$

素因数の和:316

約数の個数: 80

約数和(自身を含む): 39997440

約数和(自身を除く): 23439472

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 31, 38, 56, 62, 76, 112, 124, 133, 152, 217, 248, 251, 266, 304, 434, 496, 502, 532, 589, 868, 1004, 1064, 1178, 1736, 1757, 2008, 2128, 2356, 3472, 3514, 4016, 4123, 4712, 4769, 7028, 7781, 8246, 9424, 9538, 14056, 15562, 16492, 19076, 28112, 31124, 32984, 33383, 38152, 54467, 62248, 65968, 66766, 76304, 108934, 124496, 133532, 147839, 217868, 267064, 295678, 435736, 534128, 591356, 871472, 1034873, 1182712, 2069746, 2365424, 4139492, 8278984, 16557968]

約数ペア:

[(1, 16557968), (2, 8278984), (4, 4139492), (7, 2365424), (8, 2069746), (14, 1182712), (16, 1034873), (19, 871472), (28, 591356), (31, 534128), (38, 435736), (56, 295678), (62, 267064), (76, 217868), (112, 147839), (124, 133532), (133, 124496), (152, 108934), (217, 76304), (248, 66766), (251, 65968), (266, 62248), (304, 54467), (434, 38152), (496, 33383), (502, 32984), (532, 31124), (589, 28112), (868, 19076), (1004, 16492), (1064, 15562), (1178, 14056), (1736, 9538), (1757, 9424), (2008, 8246), (2128, 7781), (2356, 7028), (3472, 4769), (3514, 4712), (4016, 4123)]