28628964

素因数分解:

$2^2\times 3^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{971}}^1$

素因数の和:1007

約数の個数: 120

約数和(自身を含む): 92207808

約数和(自身を除く): 63578844

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 27, 28, 36, 39, 42, 52, 54, 63, 78, 81, 84, 91, 108, 117, 126, 156, 162, 182, 189, 234, 252, 273, 324, 351, 364, 378, 468, 546, 567, 702, 756, 819, 971, 1053, 1092, 1134, 1404, 1638, 1942, 2106, 2268, 2457, 2913, 3276, 3884, 4212, 4914, 5826, 6797, 7371, 8739, 9828, 11652, 12623, 13594, 14742, 17478, 20391, 25246, 26217, 27188, 29484, 34956, 37869, 40782, 50492, 52434, 61173, 75738, 78651, 81564, 88361, 104868, 113607, 122346, 151476, 157302, 176722, 183519, 227214, 244692, 265083, 314604, 340821, 353444, 367038, 454428, 530166, 550557, 681642, 734076, 795249, 1022463, 1060332, 1101114, 1363284, 1590498, 2044926, 2202228, 2385747, 3180996, 4089852, 4771494, 7157241, 9542988, 14314482, 28628964]

約数ペア:

[(1, 28628964), (2, 14314482), (3, 9542988), (4, 7157241), (6, 4771494), (7, 4089852), (9, 3180996), (12, 2385747), (13, 2202228), (14, 2044926), (18, 1590498), (21, 1363284), (26, 1101114), (27, 1060332), (28, 1022463), (36, 795249), (39, 734076), (42, 681642), (52, 550557), (54, 530166), (63, 454428), (78, 367038), (81, 353444), (84, 340821), (91, 314604), (108, 265083), (117, 244692), (126, 227214), (156, 183519), (162, 176722), (182, 157302), (189, 151476), (234, 122346), (252, 113607), (273, 104868), (324, 88361), (351, 81564), (364, 78651), (378, 75738), (468, 61173), (546, 52434), (567, 50492), (702, 40782), (756, 37869), (819, 34956), (971, 29484), (1053, 27188), (1092, 26217), (1134, 25246), (1404, 20391), (1638, 17478), (1942, 14742), (2106, 13594), (2268, 12623), (2457, 11652), (2913, 9828), (3276, 8739), (3884, 7371), (4212, 6797), (4914, 5826)]