1666161756

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{347987}}^1$

素因数の和:348023

約数の個数: 72

約数和(自身を含む): 5066705280

約数和(自身を除く): 3400543524

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 19, 21, 28, 36, 38, 42, 57, 63, 76, 84, 114, 126, 133, 171, 228, 252, 266, 342, 399, 532, 684, 798, 1197, 1596, 2394, 4788, 347987, 695974, 1043961, 1391948, 2087922, 2435909, 3131883, 4175844, 4871818, 6263766, 6611753, 7307727, 9743636, 12527532, 13223506, 14615454, 19835259, 21923181, 26447012, 29230908, 39670518, 43846362, 46282271, 59505777, 79341036, 87692724, 92564542, 119011554, 138846813, 185129084, 238023108, 277693626, 416540439, 555387252, 833080878, 1666161756]

約数ペア:

[(1, 1666161756), (2, 833080878), (3, 555387252), (4, 416540439), (6, 277693626), (7, 238023108), (9, 185129084), (12, 138846813), (14, 119011554), (18, 92564542), (19, 87692724), (21, 79341036), (28, 59505777), (36, 46282271), (38, 43846362), (42, 39670518), (57, 29230908), (63, 26447012), (76, 21923181), (84, 19835259), (114, 14615454), (126, 13223506), (133, 12527532), (171, 9743636), (228, 7307727), (252, 6611753), (266, 6263766), (342, 4871818), (399, 4175844), (532, 3131883), (684, 2435909), (798, 2087922), (1197, 1391948), (1596, 1043961), (2394, 695974), (4788, 347987)]