1261891928

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{421}}^1\times {\mathrm{34061}}^1$

素因数の和:34499

約数の個数: 32

約数和(自身を含む): 2587349520

約数和(自身を除く): 1325457592

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 421, 842, 1684, 3368, 4631, 9262, 18524, 34061, 37048, 68122, 136244, 272488, 374671, 749342, 1498684, 2997368, 14339681, 28679362, 57358724, 114717448, 157736491, 315472982, 630945964, 1261891928]

約数ペア:

[(1, 1261891928), (2, 630945964), (4, 315472982), (8, 157736491), (11, 114717448), (22, 57358724), (44, 28679362), (88, 14339681), (421, 2997368), (842, 1498684), (1684, 749342), (3368, 374671), (4631, 272488), (9262, 136244), (18524, 68122), (34061, 37048)]