1991528

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1$

素因数の和:138

約数の個数: 64

約数和(自身を含む): 4821120

約数和(自身を除く): 2829592

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 53, 56, 61, 77, 88, 106, 122, 154, 212, 244, 308, 371, 424, 427, 488, 583, 616, 671, 742, 854, 1166, 1342, 1484, 1708, 2332, 2684, 2968, 3233, 3416, 4081, 4664, 4697, 5368, 6466, 8162, 9394, 12932, 16324, 18788, 22631, 25864, 32648, 35563, 37576, 45262, 71126, 90524, 142252, 181048, 248941, 284504, 497882, 995764, 1991528]

約数ペア:

[(1, 1991528), (2, 995764), (4, 497882), (7, 284504), (8, 248941), (11, 181048), (14, 142252), (22, 90524), (28, 71126), (44, 45262), (53, 37576), (56, 35563), (61, 32648), (77, 25864), (88, 22631), (106, 18788), (122, 16324), (154, 12932), (212, 9394), (244, 8162), (308, 6466), (371, 5368), (424, 4697), (427, 4664), (488, 4081), (583, 3416), (616, 3233), (671, 2968), (742, 2684), (854, 2332), (1166, 1708), (1342, 1484)]