816076976

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{20981}}^1$

素因数の和:21030

約数の個数: 80

約数和(自身を含む): 1966936608

約数和(自身を除く): 1150859632

約数列:

[1, 2, 4, 8, 11, 13, 16, 17, 22, 26, 34, 44, 52, 68, 88, 104, 136, 143, 176, 187, 208, 221, 272, 286, 374, 442, 572, 748, 884, 1144, 1496, 1768, 2288, 2431, 2992, 3536, 4862, 9724, 19448, 20981, 38896, 41962, 83924, 167848, 230791, 272753, 335696, 356677, 461582, 545506, 713354, 923164, 1091012, 1426708, 1846328, 2182024, 2853416, 3000283, 3692656, 3923447, 4364048, 4636801, 5706832, 6000566, 7846894, 9273602, 12001132, 15693788, 18547204, 24002264, 31387576, 37094408, 48004528, 51004811, 62775152, 74188816, 102009622, 204019244, 408038488, 816076976]

約数ペア:

[(1, 816076976), (2, 408038488), (4, 204019244), (8, 102009622), (11, 74188816), (13, 62775152), (16, 51004811), (17, 48004528), (22, 37094408), (26, 31387576), (34, 24002264), (44, 18547204), (52, 15693788), (68, 12001132), (88, 9273602), (104, 7846894), (136, 6000566), (143, 5706832), (176, 4636801), (187, 4364048), (208, 3923447), (221, 3692656), (272, 3000283), (286, 2853416), (374, 2182024), (442, 1846328), (572, 1426708), (748, 1091012), (884, 923164), (1144, 713354), (1496, 545506), (1768, 461582), (2288, 356677), (2431, 335696), (2992, 272753), (3536, 230791), (4862, 167848), (9724, 83924), (19448, 41962), (20981, 38896)]