161729456

素因数分解:

$2^4\times 7^1\times {\mathrm{73}}^1\times {\mathrm{131}}^1\times {\mathrm{151}}^1$

素因数の和:370

約数の個数: 80

約数和(自身を含む): 368214528

約数和(自身を除く): 206485072

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 73, 112, 131, 146, 151, 262, 292, 302, 511, 524, 584, 604, 917, 1022, 1048, 1057, 1168, 1208, 1834, 2044, 2096, 2114, 2416, 3668, 4088, 4228, 7336, 8176, 8456, 9563, 11023, 14672, 16912, 19126, 19781, 22046, 38252, 39562, 44092, 66941, 76504, 77161, 79124, 88184, 133882, 138467, 153008, 154322, 158248, 176368, 267764, 276934, 308644, 316496, 535528, 553868, 617288, 1071056, 1107736, 1234576, 1444013, 2215472, 2888026, 5776052, 10108091, 11552104, 20216182, 23104208, 40432364, 80864728, 161729456]

約数ペア:

[(1, 161729456), (2, 80864728), (4, 40432364), (7, 23104208), (8, 20216182), (14, 11552104), (16, 10108091), (28, 5776052), (56, 2888026), (73, 2215472), (112, 1444013), (131, 1234576), (146, 1107736), (151, 1071056), (262, 617288), (292, 553868), (302, 535528), (511, 316496), (524, 308644), (584, 276934), (604, 267764), (917, 176368), (1022, 158248), (1048, 154322), (1057, 153008), (1168, 138467), (1208, 133882), (1834, 88184), (2044, 79124), (2096, 77161), (2114, 76504), (2416, 66941), (3668, 44092), (4088, 39562), (4228, 38252), (7336, 22046), (8176, 19781), (8456, 19126), (9563, 16912), (11023, 14672)]