218687392

素因数分解:

$2^5\times 7^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{409}}^1$

素因数の和:475

約数の個数: 144

約数和(自身を含む): 565367040

約数和(自身を除く): 346679648

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 31, 32, 44, 49, 56, 62, 77, 88, 98, 112, 124, 154, 176, 196, 217, 224, 248, 308, 341, 352, 392, 409, 434, 496, 539, 616, 682, 784, 818, 868, 992, 1078, 1232, 1364, 1519, 1568, 1636, 1736, 2156, 2387, 2464, 2728, 2863, 3038, 3272, 3472, 4312, 4499, 4774, 5456, 5726, 6076, 6544, 6944, 8624, 8998, 9548, 10912, 11452, 12152, 12679, 13088, 16709, 17248, 17996, 19096, 20041, 22904, 24304, 25358, 31493, 33418, 35992, 38192, 40082, 45808, 48608, 50716, 62986, 66836, 71984, 76384, 80164, 88753, 91616, 101432, 125972, 133672, 139469, 143968, 160328, 177506, 202864, 220451, 251944, 267344, 278938, 320656, 355012, 405728, 440902, 503888, 534688, 557876, 621271, 641312, 710024, 881804, 976283, 1007776, 1115752, 1242542, 1420048, 1763608, 1952566, 2231504, 2485084, 2840096, 3527216, 3905132, 4463008, 4970168, 6833981, 7054432, 7810264, 9940336, 13667962, 15620528, 19880672, 27335924, 31241056, 54671848, 109343696, 218687392]

約数ペア:

[(1, 218687392), (2, 109343696), (4, 54671848), (7, 31241056), (8, 27335924), (11, 19880672), (14, 15620528), (16, 13667962), (22, 9940336), (28, 7810264), (31, 7054432), (32, 6833981), (44, 4970168), (49, 4463008), (56, 3905132), (62, 3527216), (77, 2840096), (88, 2485084), (98, 2231504), (112, 1952566), (124, 1763608), (154, 1420048), (176, 1242542), (196, 1115752), (217, 1007776), (224, 976283), (248, 881804), (308, 710024), (341, 641312), (352, 621271), (392, 557876), (409, 534688), (434, 503888), (496, 440902), (539, 405728), (616, 355012), (682, 320656), (784, 278938), (818, 267344), (868, 251944), (992, 220451), (1078, 202864), (1232, 177506), (1364, 160328), (1519, 143968), (1568, 139469), (1636, 133672), (1736, 125972), (2156, 101432), (2387, 91616), (2464, 88753), (2728, 80164), (2863, 76384), (3038, 71984), (3272, 66836), (3472, 62986), (4312, 50716), (4499, 48608), (4774, 45808), (5456, 40082), (5726, 38192), (6076, 35992), (6544, 33418), (6944, 31493), (8624, 25358), (8998, 24304), (9548, 22904), (10912, 20041), (11452, 19096), (12152, 17996), (12679, 17248), (13088, 16709)]