212489984

素因数分解:

$2^8\times 7^1\times {\mathrm{283}}^1\times {\mathrm{419}}^1$

素因数の和:725

約数の個数: 72

約数和(自身を含む): 487616640

約数和(自身を除く): 275126656

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 283, 419, 448, 566, 838, 896, 1132, 1676, 1792, 1981, 2264, 2933, 3352, 3962, 4528, 5866, 6704, 7924, 9056, 11732, 13408, 15848, 18112, 23464, 26816, 31696, 36224, 46928, 53632, 63392, 72448, 93856, 107264, 118577, 126784, 187712, 237154, 253568, 375424, 474308, 507136, 750848, 830039, 948616, 1660078, 1897232, 3320156, 3794464, 6640312, 7588928, 13280624, 15177856, 26561248, 30355712, 53122496, 106244992, 212489984]

約数ペア:

[(1, 212489984), (2, 106244992), (4, 53122496), (7, 30355712), (8, 26561248), (14, 15177856), (16, 13280624), (28, 7588928), (32, 6640312), (56, 3794464), (64, 3320156), (112, 1897232), (128, 1660078), (224, 948616), (256, 830039), (283, 750848), (419, 507136), (448, 474308), (566, 375424), (838, 253568), (896, 237154), (1132, 187712), (1676, 126784), (1792, 118577), (1981, 107264), (2264, 93856), (2933, 72448), (3352, 63392), (3962, 53632), (4528, 46928), (5866, 36224), (6704, 31696), (7924, 26816), (9056, 23464), (11732, 18112), (13408, 15848)]