28556008

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{181}}^1$

素因数の和:278

約数の個数: 64

約数和(自身を含む): 60999120

約数和(自身を除く): 32443112

約数列:

[1, 2, 4, 8, 13, 26, 37, 41, 52, 74, 82, 104, 148, 164, 181, 296, 328, 362, 481, 533, 724, 962, 1066, 1448, 1517, 1924, 2132, 2353, 3034, 3848, 4264, 4706, 6068, 6697, 7421, 9412, 12136, 13394, 14842, 18824, 19721, 26788, 29684, 39442, 53576, 59368, 78884, 87061, 96473, 157768, 174122, 192946, 274577, 348244, 385892, 549154, 696488, 771784, 1098308, 2196616, 3569501, 7139002, 14278004, 28556008]

約数ペア:

[(1, 28556008), (2, 14278004), (4, 7139002), (8, 3569501), (13, 2196616), (26, 1098308), (37, 771784), (41, 696488), (52, 549154), (74, 385892), (82, 348244), (104, 274577), (148, 192946), (164, 174122), (181, 157768), (296, 96473), (328, 87061), (362, 78884), (481, 59368), (533, 53576), (724, 39442), (962, 29684), (1066, 26788), (1448, 19721), (1517, 18824), (1924, 14842), (2132, 13394), (2353, 12136), (3034, 9412), (3848, 7421), (4264, 6697), (4706, 6068)]