128789388

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{39313}}^1$

素因数の和:39343

約数の個数: 72

約数和(自身を含む): 400688288

約数和(自身を除く): 271898900

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 28, 36, 39, 42, 52, 63, 78, 84, 91, 117, 126, 156, 182, 234, 252, 273, 364, 468, 546, 819, 1092, 1638, 3276, 39313, 78626, 117939, 157252, 235878, 275191, 353817, 471756, 511069, 550382, 707634, 825573, 1022138, 1100764, 1415268, 1533207, 1651146, 2044276, 2476719, 3066414, 3302292, 3577483, 4599621, 4953438, 6132828, 7154966, 9199242, 9906876, 10732449, 14309932, 18398484, 21464898, 32197347, 42929796, 64394694, 128789388]

約数ペア:

[(1, 128789388), (2, 64394694), (3, 42929796), (4, 32197347), (6, 21464898), (7, 18398484), (9, 14309932), (12, 10732449), (13, 9906876), (14, 9199242), (18, 7154966), (21, 6132828), (26, 4953438), (28, 4599621), (36, 3577483), (39, 3302292), (42, 3066414), (52, 2476719), (63, 2044276), (78, 1651146), (84, 1533207), (91, 1415268), (117, 1100764), (126, 1022138), (156, 825573), (182, 707634), (234, 550382), (252, 511069), (273, 471756), (364, 353817), (468, 275191), (546, 235878), (819, 157252), (1092, 117939), (1638, 78626), (3276, 39313)]