645136912

素因数分解:

$2^4\times 7^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{1381}}^1$

素因数の和:1536

約数の個数: 80

約数和(自身を含む): 1477877632

約数和(自身を除く): 832740720

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 43, 56, 86, 97, 112, 172, 194, 301, 344, 388, 602, 679, 688, 776, 1204, 1358, 1381, 1552, 2408, 2716, 2762, 4171, 4816, 5432, 5524, 8342, 9667, 10864, 11048, 16684, 19334, 22096, 29197, 33368, 38668, 58394, 59383, 66736, 77336, 116788, 118766, 133957, 154672, 233576, 237532, 267914, 415681, 467152, 475064, 535828, 831362, 937699, 950128, 1071656, 1662724, 1875398, 2143312, 3325448, 3750796, 5760151, 6650896, 7501592, 11520302, 15003184, 23040604, 40321057, 46081208, 80642114, 92162416, 161284228, 322568456, 645136912]

約数ペア:

[(1, 645136912), (2, 322568456), (4, 161284228), (7, 92162416), (8, 80642114), (14, 46081208), (16, 40321057), (28, 23040604), (43, 15003184), (56, 11520302), (86, 7501592), (97, 6650896), (112, 5760151), (172, 3750796), (194, 3325448), (301, 2143312), (344, 1875398), (388, 1662724), (602, 1071656), (679, 950128), (688, 937699), (776, 831362), (1204, 535828), (1358, 475064), (1381, 467152), (1552, 415681), (2408, 267914), (2716, 237532), (2762, 233576), (4171, 154672), (4816, 133957), (5432, 118766), (5524, 116788), (8342, 77336), (9667, 66736), (10864, 59383), (11048, 58394), (16684, 38668), (19334, 33368), (22096, 29197)]