861334784

素因数分解:

$2^8\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{4211}}^1$

素因数の和:4291

約数の個数: 72

約数和(自身を含む): 1859614848

約数和(自身を除く): 998280064

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 47, 64, 68, 94, 128, 136, 188, 256, 272, 376, 544, 752, 799, 1088, 1504, 1598, 2176, 3008, 3196, 4211, 4352, 6016, 6392, 8422, 12032, 12784, 16844, 25568, 33688, 51136, 67376, 71587, 102272, 134752, 143174, 197917, 204544, 269504, 286348, 395834, 539008, 572696, 791668, 1078016, 1145392, 1583336, 2290784, 3166672, 3364589, 4581568, 6333344, 6729178, 9163136, 12666688, 13458356, 18326272, 25333376, 26916712, 50666752, 53833424, 107666848, 215333696, 430667392, 861334784]

約数ペア:

[(1, 861334784), (2, 430667392), (4, 215333696), (8, 107666848), (16, 53833424), (17, 50666752), (32, 26916712), (34, 25333376), (47, 18326272), (64, 13458356), (68, 12666688), (94, 9163136), (128, 6729178), (136, 6333344), (188, 4581568), (256, 3364589), (272, 3166672), (376, 2290784), (544, 1583336), (752, 1145392), (799, 1078016), (1088, 791668), (1504, 572696), (1598, 539008), (2176, 395834), (3008, 286348), (3196, 269504), (4211, 204544), (4352, 197917), (6016, 143174), (6392, 134752), (8422, 102272), (12032, 71587), (12784, 67376), (16844, 51136), (25568, 33688)]