127291136

素因数分解:

$2^8\times 7^1\times {\mathrm{251}}^1\times {\mathrm{283}}^1$

素因数の和:557

約数の個数: 72

約数和(自身を含む): 292569984

約数和(自身を除く): 165278848

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 251, 256, 283, 448, 502, 566, 896, 1004, 1132, 1757, 1792, 1981, 2008, 2264, 3514, 3962, 4016, 4528, 7028, 7924, 8032, 9056, 14056, 15848, 16064, 18112, 28112, 31696, 32128, 36224, 56224, 63392, 64256, 71033, 72448, 112448, 126784, 142066, 224896, 253568, 284132, 449792, 497231, 507136, 568264, 994462, 1136528, 1988924, 2273056, 3977848, 4546112, 7955696, 9092224, 15911392, 18184448, 31822784, 63645568, 127291136]

約数ペア:

[(1, 127291136), (2, 63645568), (4, 31822784), (7, 18184448), (8, 15911392), (14, 9092224), (16, 7955696), (28, 4546112), (32, 3977848), (56, 2273056), (64, 1988924), (112, 1136528), (128, 994462), (224, 568264), (251, 507136), (256, 497231), (283, 449792), (448, 284132), (502, 253568), (566, 224896), (896, 142066), (1004, 126784), (1132, 112448), (1757, 72448), (1792, 71033), (1981, 64256), (2008, 63392), (2264, 56224), (3514, 36224), (3962, 32128), (4016, 31696), (4528, 28112), (7028, 18112), (7924, 16064), (8032, 15848), (9056, 14056)]