1640984818

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{263}}^1$

素因数の和:388

約数の個数: 96

約数和(自身を含む): 3033676800

約数和(自身を除く): 1392691982

約数列:

[1, 2, 11, 19, 22, 23, 38, 46, 59, 118, 121, 209, 242, 253, 263, 418, 437, 506, 526, 649, 874, 1121, 1298, 1357, 2242, 2299, 2714, 2783, 2893, 4598, 4807, 4997, 5566, 5786, 6049, 7139, 9614, 9994, 12098, 12331, 14278, 14927, 15517, 24662, 25783, 29854, 31034, 31823, 51566, 52877, 54967, 63646, 66539, 105754, 109934, 114931, 133078, 135641, 164197, 170687, 229862, 271282, 283613, 294823, 328394, 341374, 356891, 567226, 589646, 604637, 713782, 731929, 1209274, 1264241, 1463858, 1877557, 2528482, 3119743, 3243053, 3755114, 3925801, 6239486, 6486106, 6780929, 7851602, 13561858, 13906651, 27813302, 35673583, 43183811, 71347166, 74590219, 86367622, 149180438, 820492409, 1640984818]

約数ペア:

[(1, 1640984818), (2, 820492409), (11, 149180438), (19, 86367622), (22, 74590219), (23, 71347166), (38, 43183811), (46, 35673583), (59, 27813302), (118, 13906651), (121, 13561858), (209, 7851602), (242, 6780929), (253, 6486106), (263, 6239486), (418, 3925801), (437, 3755114), (506, 3243053), (526, 3119743), (649, 2528482), (874, 1877557), (1121, 1463858), (1298, 1264241), (1357, 1209274), (2242, 731929), (2299, 713782), (2714, 604637), (2783, 589646), (2893, 567226), (4598, 356891), (4807, 341374), (4997, 328394), (5566, 294823), (5786, 283613), (6049, 271282), (7139, 229862), (9614, 170687), (9994, 164197), (12098, 135641), (12331, 133078), (14278, 114931), (14927, 109934), (15517, 105754), (24662, 66539), (25783, 63646), (29854, 54967), (31034, 52877), (31823, 51566)]