71784856

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{479}}^1$

素因数の和:640

約数の個数: 64

約数和(自身を含む): 159667200

約数和(自身を除く): 87882344

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 88, 104, 131, 143, 262, 286, 479, 524, 572, 958, 1048, 1144, 1441, 1703, 1916, 2882, 3406, 3832, 5269, 5764, 6227, 6812, 10538, 11528, 12454, 13624, 18733, 21076, 24908, 37466, 42152, 49816, 62749, 68497, 74932, 125498, 136994, 149864, 250996, 273988, 501992, 547976, 690239, 815737, 1380478, 1631474, 2760956, 3262948, 5521912, 6525896, 8973107, 17946214, 35892428, 71784856]

約数ペア:

[(1, 71784856), (2, 35892428), (4, 17946214), (8, 8973107), (11, 6525896), (13, 5521912), (22, 3262948), (26, 2760956), (44, 1631474), (52, 1380478), (88, 815737), (104, 690239), (131, 547976), (143, 501992), (262, 273988), (286, 250996), (479, 149864), (524, 136994), (572, 125498), (958, 74932), (1048, 68497), (1144, 62749), (1441, 49816), (1703, 42152), (1916, 37466), (2882, 24908), (3406, 21076), (3832, 18733), (5269, 13624), (5764, 12454), (6227, 11528), (6812, 10538)]