261993408

素因数分解:

$2^6\times 3^1\times {\mathrm{71}}^1\times {\mathrm{19219}}^1$

素因数の和:19305

約数の個数: 56

約数和(自身を含む): 702990720

約数和(自身を除く): 440997312

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 71, 96, 142, 192, 213, 284, 426, 568, 852, 1136, 1704, 2272, 3408, 4544, 6816, 13632, 19219, 38438, 57657, 76876, 115314, 153752, 230628, 307504, 461256, 615008, 922512, 1230016, 1364549, 1845024, 2729098, 3690048, 4093647, 5458196, 8187294, 10916392, 16374588, 21832784, 32749176, 43665568, 65498352, 87331136, 130996704, 261993408]

約数ペア:

[(1, 261993408), (2, 130996704), (3, 87331136), (4, 65498352), (6, 43665568), (8, 32749176), (12, 21832784), (16, 16374588), (24, 10916392), (32, 8187294), (48, 5458196), (64, 4093647), (71, 3690048), (96, 2729098), (142, 1845024), (192, 1364549), (213, 1230016), (284, 922512), (426, 615008), (568, 461256), (852, 307504), (1136, 230628), (1704, 153752), (2272, 115314), (3408, 76876), (4544, 57657), (6816, 38438), (13632, 19219)]