207317968

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{251}}^1$

素因数の和:321

約数の個数: 120

約数和(自身を含む): 500030496

約数和(自身を除く): 292712528

約数列:

[1, 2, 4, 8, 11, 13, 16, 19, 22, 26, 38, 44, 52, 76, 88, 104, 143, 152, 176, 208, 209, 247, 251, 286, 304, 361, 418, 494, 502, 572, 722, 836, 988, 1004, 1144, 1444, 1672, 1976, 2008, 2288, 2717, 2761, 2888, 3263, 3344, 3952, 3971, 4016, 4693, 4769, 5434, 5522, 5776, 6526, 7942, 9386, 9538, 10868, 11044, 13052, 15884, 18772, 19076, 21736, 22088, 26104, 31768, 35893, 37544, 38152, 43472, 44176, 51623, 52208, 52459, 61997, 63536, 71786, 75088, 76304, 90611, 103246, 104918, 123994, 143572, 181222, 206492, 209836, 247988, 287144, 362444, 412984, 419672, 495976, 574288, 681967, 724888, 825968, 839344, 991952, 996721, 1177943, 1363934, 1449776, 1993442, 2355886, 2727868, 3986884, 4711772, 5455736, 7973768, 9423544, 10911472, 12957373, 15947536, 18847088, 25914746, 51829492, 103658984, 207317968]

約数ペア:

[(1, 207317968), (2, 103658984), (4, 51829492), (8, 25914746), (11, 18847088), (13, 15947536), (16, 12957373), (19, 10911472), (22, 9423544), (26, 7973768), (38, 5455736), (44, 4711772), (52, 3986884), (76, 2727868), (88, 2355886), (104, 1993442), (143, 1449776), (152, 1363934), (176, 1177943), (208, 996721), (209, 991952), (247, 839344), (251, 825968), (286, 724888), (304, 681967), (361, 574288), (418, 495976), (494, 419672), (502, 412984), (572, 362444), (722, 287144), (836, 247988), (988, 209836), (1004, 206492), (1144, 181222), (1444, 143572), (1672, 123994), (1976, 104918), (2008, 103246), (2288, 90611), (2717, 76304), (2761, 75088), (2888, 71786), (3263, 63536), (3344, 61997), (3952, 52459), (3971, 52208), (4016, 51623), (4693, 44176), (4769, 43472), (5434, 38152), (5522, 37544), (5776, 35893), (6526, 31768), (7942, 26104), (9386, 22088), (9538, 21736), (10868, 19076), (11044, 18772), (13052, 15884)]