1641406928

素因数分解:

$2^4\times 7^1\times {\mathrm{127}}^1\times {\mathrm{167}}^1\times {\mathrm{691}}^1$

素因数の和:1000

約数の個数: 80

約数和(自身を含む): 3690430464

約数和(自身を除く): 2049023536

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 127, 167, 254, 334, 508, 668, 691, 889, 1016, 1169, 1336, 1382, 1778, 2032, 2338, 2672, 2764, 3556, 4676, 4837, 5528, 7112, 9352, 9674, 11056, 14224, 18704, 19348, 21209, 38696, 42418, 77392, 84836, 87757, 115397, 148463, 169672, 175514, 230794, 296926, 339344, 351028, 461588, 593852, 614299, 702056, 807779, 923176, 1187704, 1228598, 1404112, 1615558, 1846352, 2375408, 2457196, 3231116, 4914392, 6462232, 9828784, 12924464, 14655419, 29310838, 58621676, 102587933, 117243352, 205175866, 234486704, 410351732, 820703464, 1641406928]

約数ペア:

[(1, 1641406928), (2, 820703464), (4, 410351732), (7, 234486704), (8, 205175866), (14, 117243352), (16, 102587933), (28, 58621676), (56, 29310838), (112, 14655419), (127, 12924464), (167, 9828784), (254, 6462232), (334, 4914392), (508, 3231116), (668, 2457196), (691, 2375408), (889, 1846352), (1016, 1615558), (1169, 1404112), (1336, 1228598), (1382, 1187704), (1778, 923176), (2032, 807779), (2338, 702056), (2672, 614299), (2764, 593852), (3556, 461588), (4676, 351028), (4837, 339344), (5528, 296926), (7112, 230794), (9352, 175514), (9674, 169672), (11056, 148463), (14224, 115397), (18704, 87757), (19348, 84836), (21209, 77392), (38696, 42418)]