1290019264

素因数分解:

$2^6\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{3691}}^1$

素因数の和:3873

約数の個数: 56

約数和(自身を含む): 2640754688

約数和(自身を除く): 1350735424

約数列:

[1, 2, 4, 8, 16, 32, 43, 64, 86, 127, 172, 254, 344, 508, 688, 1016, 1376, 2032, 2752, 3691, 4064, 5461, 7382, 8128, 10922, 14764, 21844, 29528, 43688, 59056, 87376, 118112, 158713, 174752, 236224, 317426, 349504, 468757, 634852, 937514, 1269704, 1875028, 2539408, 3750056, 5078816, 7500112, 10157632, 15000224, 20156551, 30000448, 40313102, 80626204, 161252408, 322504816, 645009632, 1290019264]

約数ペア:

[(1, 1290019264), (2, 645009632), (4, 322504816), (8, 161252408), (16, 80626204), (32, 40313102), (43, 30000448), (64, 20156551), (86, 15000224), (127, 10157632), (172, 7500112), (254, 5078816), (344, 3750056), (508, 2539408), (688, 1875028), (1016, 1269704), (1376, 937514), (2032, 634852), (2752, 468757), (3691, 349504), (4064, 317426), (5461, 236224), (7382, 174752), (8128, 158713), (10922, 118112), (14764, 87376), (21844, 59056), (29528, 43688)]