28778568

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{13177}}^1$

素因数の和:13206

約数の個数: 64

約数和(自身を含む): 88556160

約数和(自身を除く): 59777592

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 21, 24, 26, 28, 39, 42, 52, 56, 78, 84, 91, 104, 156, 168, 182, 273, 312, 364, 546, 728, 1092, 2184, 13177, 26354, 39531, 52708, 79062, 92239, 105416, 158124, 171301, 184478, 276717, 316248, 342602, 368956, 513903, 553434, 685204, 737912, 1027806, 1106868, 1199107, 1370408, 2055612, 2213736, 2398214, 3597321, 4111224, 4796428, 7194642, 9592856, 14389284, 28778568]

約数ペア:

[(1, 28778568), (2, 14389284), (3, 9592856), (4, 7194642), (6, 4796428), (7, 4111224), (8, 3597321), (12, 2398214), (13, 2213736), (14, 2055612), (21, 1370408), (24, 1199107), (26, 1106868), (28, 1027806), (39, 737912), (42, 685204), (52, 553434), (56, 513903), (78, 368956), (84, 342602), (91, 316248), (104, 276717), (156, 184478), (168, 171301), (182, 158124), (273, 105416), (312, 92239), (364, 79062), (546, 52708), (728, 39531), (1092, 26354), (2184, 13177)]