78019816

素因数分解:

$2^3\times 7^1\times {\mathrm{53}}^1\times {\mathrm{97}}^1\times {\mathrm{271}}^1$

素因数の和:434

約数の個数: 64

約数和(自身を含む): 172730880

約数和(自身を除く): 94711064

約数列:

[1, 2, 4, 7, 8, 14, 28, 53, 56, 97, 106, 194, 212, 271, 371, 388, 424, 542, 679, 742, 776, 1084, 1358, 1484, 1897, 2168, 2716, 2968, 3794, 5141, 5432, 7588, 10282, 14363, 15176, 20564, 26287, 28726, 35987, 41128, 52574, 57452, 71974, 100541, 105148, 114904, 143948, 184009, 201082, 210296, 287896, 368018, 402164, 736036, 804328, 1393211, 1472072, 2786422, 5572844, 9752477, 11145688, 19504954, 39009908, 78019816]

約数ペア:

[(1, 78019816), (2, 39009908), (4, 19504954), (7, 11145688), (8, 9752477), (14, 5572844), (28, 2786422), (53, 1472072), (56, 1393211), (97, 804328), (106, 736036), (194, 402164), (212, 368018), (271, 287896), (371, 210296), (388, 201082), (424, 184009), (542, 143948), (679, 114904), (742, 105148), (776, 100541), (1084, 71974), (1358, 57452), (1484, 52574), (1897, 41128), (2168, 35987), (2716, 28726), (2968, 26287), (3794, 20564), (5141, 15176), (5432, 14363), (7588, 10282)]