121657984

素因数分解:

$2^7\times 7^3\times {\mathrm{17}}^1\times {\mathrm{163}}^1$

素因数の和:215

約数の個数: 128

約数和(自身を含む): 301104000

約数和(自身を除く): 179446016

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 32, 34, 49, 56, 64, 68, 98, 112, 119, 128, 136, 163, 196, 224, 238, 272, 326, 343, 392, 448, 476, 544, 652, 686, 784, 833, 896, 952, 1088, 1141, 1304, 1372, 1568, 1666, 1904, 2176, 2282, 2608, 2744, 2771, 3136, 3332, 3808, 4564, 5216, 5488, 5542, 5831, 6272, 6664, 7616, 7987, 9128, 10432, 10976, 11084, 11662, 13328, 15232, 15974, 18256, 19397, 20864, 21952, 22168, 23324, 26656, 31948, 36512, 38794, 43904, 44336, 46648, 53312, 55909, 63896, 73024, 77588, 88672, 93296, 106624, 111818, 127792, 135779, 146048, 155176, 177344, 186592, 223636, 255584, 271558, 310352, 354688, 373184, 447272, 511168, 543116, 620704, 746368, 894544, 950453, 1022336, 1086232, 1241408, 1789088, 1900906, 2172464, 2482816, 3578176, 3801812, 4344928, 7156352, 7603624, 8689856, 15207248, 17379712, 30414496, 60828992, 121657984]

約数ペア:

[(1, 121657984), (2, 60828992), (4, 30414496), (7, 17379712), (8, 15207248), (14, 8689856), (16, 7603624), (17, 7156352), (28, 4344928), (32, 3801812), (34, 3578176), (49, 2482816), (56, 2172464), (64, 1900906), (68, 1789088), (98, 1241408), (112, 1086232), (119, 1022336), (128, 950453), (136, 894544), (163, 746368), (196, 620704), (224, 543116), (238, 511168), (272, 447272), (326, 373184), (343, 354688), (392, 310352), (448, 271558), (476, 255584), (544, 223636), (652, 186592), (686, 177344), (784, 155176), (833, 146048), (896, 135779), (952, 127792), (1088, 111818), (1141, 106624), (1304, 93296), (1372, 88672), (1568, 77588), (1666, 73024), (1904, 63896), (2176, 55909), (2282, 53312), (2608, 46648), (2744, 44336), (2771, 43904), (3136, 38794), (3332, 36512), (3808, 31948), (4564, 26656), (5216, 23324), (5488, 22168), (5542, 21952), (5831, 20864), (6272, 19397), (6664, 18256), (7616, 15974), (7987, 15232), (9128, 13328), (10432, 11662), (10976, 11084)]