201221248

素因数分解:

$2^7\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1$

素因数の和:238

約数の個数: 128

約数和(自身を含む): 464140800

約数和(自身を除く): 262919552

約数列:

[1, 2, 4, 8, 16, 17, 19, 31, 32, 34, 38, 62, 64, 68, 76, 124, 128, 136, 152, 157, 248, 272, 304, 314, 323, 496, 527, 544, 589, 608, 628, 646, 992, 1054, 1088, 1178, 1216, 1256, 1292, 1984, 2108, 2176, 2356, 2432, 2512, 2584, 2669, 2983, 3968, 4216, 4712, 4867, 5024, 5168, 5338, 5966, 8432, 9424, 9734, 10013, 10048, 10336, 10676, 11932, 16864, 18848, 19468, 20026, 20096, 20672, 21352, 23864, 33728, 37696, 38936, 40052, 41344, 42704, 47728, 50711, 67456, 75392, 77872, 80104, 82739, 85408, 92473, 95456, 101422, 155744, 160208, 165478, 170816, 184946, 190912, 202844, 311488, 320416, 330956, 341632, 369892, 381824, 405688, 622976, 640832, 661912, 739784, 811376, 1281664, 1323824, 1479568, 1572041, 1622752, 2647648, 2959136, 3144082, 3245504, 5295296, 5918272, 6288164, 6491008, 10590592, 11836544, 12576328, 25152656, 50305312, 100610624, 201221248]

約数ペア:

[(1, 201221248), (2, 100610624), (4, 50305312), (8, 25152656), (16, 12576328), (17, 11836544), (19, 10590592), (31, 6491008), (32, 6288164), (34, 5918272), (38, 5295296), (62, 3245504), (64, 3144082), (68, 2959136), (76, 2647648), (124, 1622752), (128, 1572041), (136, 1479568), (152, 1323824), (157, 1281664), (248, 811376), (272, 739784), (304, 661912), (314, 640832), (323, 622976), (496, 405688), (527, 381824), (544, 369892), (589, 341632), (608, 330956), (628, 320416), (646, 311488), (992, 202844), (1054, 190912), (1088, 184946), (1178, 170816), (1216, 165478), (1256, 160208), (1292, 155744), (1984, 101422), (2108, 95456), (2176, 92473), (2356, 85408), (2432, 82739), (2512, 80104), (2584, 77872), (2669, 75392), (2983, 67456), (3968, 50711), (4216, 47728), (4712, 42704), (4867, 41344), (5024, 40052), (5168, 38936), (5338, 37696), (5966, 33728), (8432, 23864), (9424, 21352), (9734, 20672), (10013, 20096), (10048, 20026), (10336, 19468), (10676, 18848), (11932, 16864)]