81438364

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{5519}}^1$

素因数の和:5578

約数の個数: 48

約数和(自身を含む): 178053120

約数和(自身を除く): 96614756

約数列:

[1, 2, 4, 7, 14, 17, 28, 31, 34, 62, 68, 119, 124, 217, 238, 434, 476, 527, 868, 1054, 2108, 3689, 5519, 7378, 11038, 14756, 22076, 38633, 77266, 93823, 154532, 171089, 187646, 342178, 375292, 656761, 684356, 1197623, 1313522, 2395246, 2627044, 2908513, 4790492, 5817026, 11634052, 20359591, 40719182, 81438364]

約数ペア:

[(1, 81438364), (2, 40719182), (4, 20359591), (7, 11634052), (14, 5817026), (17, 4790492), (28, 2908513), (31, 2627044), (34, 2395246), (62, 1313522), (68, 1197623), (119, 684356), (124, 656761), (217, 375292), (238, 342178), (434, 187646), (476, 171089), (527, 154532), (868, 93823), (1054, 77266), (2108, 38633), (3689, 22076), (5519, 14756), (7378, 11038)]