38780456

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{311}}^1$

素因数の和:450

約数の個数: 64

約数和(自身を含む): 86486400

約数和(自身を除く): 47705944

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 88, 104, 109, 143, 218, 286, 311, 436, 572, 622, 872, 1144, 1199, 1244, 1417, 2398, 2488, 2834, 3421, 4043, 4796, 5668, 6842, 8086, 9592, 11336, 13684, 15587, 16172, 27368, 31174, 32344, 33899, 44473, 62348, 67798, 88946, 124696, 135596, 177892, 271192, 355784, 372889, 440687, 745778, 881374, 1491556, 1762748, 2983112, 3525496, 4847557, 9695114, 19390228, 38780456]

約数ペア:

[(1, 38780456), (2, 19390228), (4, 9695114), (8, 4847557), (11, 3525496), (13, 2983112), (22, 1762748), (26, 1491556), (44, 881374), (52, 745778), (88, 440687), (104, 372889), (109, 355784), (143, 271192), (218, 177892), (286, 135596), (311, 124696), (436, 88946), (572, 67798), (622, 62348), (872, 44473), (1144, 33899), (1199, 32344), (1244, 31174), (1417, 27368), (2398, 16172), (2488, 15587), (2834, 13684), (3421, 11336), (4043, 9592), (4796, 8086), (5668, 6842)]