168766208

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1$

素因数の和:222

約数の個数: 144

約数和(自身を含む): 406919520

約数和(自身を除く): 238153312

約数列:

[1, 2, 4, 8, 13, 16, 17, 19, 26, 32, 34, 38, 52, 64, 68, 76, 104, 128, 136, 152, 157, 208, 221, 247, 256, 272, 304, 314, 323, 416, 442, 494, 544, 608, 628, 646, 832, 884, 988, 1088, 1216, 1256, 1292, 1664, 1768, 1976, 2041, 2176, 2432, 2512, 2584, 2669, 2983, 3328, 3536, 3952, 4082, 4199, 4352, 4864, 5024, 5168, 5338, 5966, 7072, 7904, 8164, 8398, 10048, 10336, 10676, 11932, 14144, 15808, 16328, 16796, 20096, 20672, 21352, 23864, 28288, 31616, 32656, 33592, 34697, 38779, 40192, 41344, 42704, 47728, 50711, 56576, 63232, 65312, 67184, 69394, 77558, 82688, 85408, 95456, 101422, 130624, 134368, 138788, 155116, 170816, 190912, 202844, 261248, 268736, 277576, 310232, 341632, 381824, 405688, 522496, 537472, 555152, 620464, 659243, 683264, 763648, 811376, 1074944, 1110304, 1240928, 1318486, 1622752, 2220608, 2481856, 2636972, 3245504, 4441216, 4963712, 5273944, 6491008, 8882432, 9927424, 10547888, 12982016, 21095776, 42191552, 84383104, 168766208]

約数ペア:

[(1, 168766208), (2, 84383104), (4, 42191552), (8, 21095776), (13, 12982016), (16, 10547888), (17, 9927424), (19, 8882432), (26, 6491008), (32, 5273944), (34, 4963712), (38, 4441216), (52, 3245504), (64, 2636972), (68, 2481856), (76, 2220608), (104, 1622752), (128, 1318486), (136, 1240928), (152, 1110304), (157, 1074944), (208, 811376), (221, 763648), (247, 683264), (256, 659243), (272, 620464), (304, 555152), (314, 537472), (323, 522496), (416, 405688), (442, 381824), (494, 341632), (544, 310232), (608, 277576), (628, 268736), (646, 261248), (832, 202844), (884, 190912), (988, 170816), (1088, 155116), (1216, 138788), (1256, 134368), (1292, 130624), (1664, 101422), (1768, 95456), (1976, 85408), (2041, 82688), (2176, 77558), (2432, 69394), (2512, 67184), (2584, 65312), (2669, 63232), (2983, 56576), (3328, 50711), (3536, 47728), (3952, 42704), (4082, 41344), (4199, 40192), (4352, 38779), (4864, 34697), (5024, 33592), (5168, 32656), (5338, 31616), (5966, 28288), (7072, 23864), (7904, 21352), (8164, 20672), (8398, 20096), (10048, 16796), (10336, 16328), (10676, 15808), (11932, 14144)]