28810444

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1$

素因数の和:179

約数の個数: 72

約数和(自身を含む): 60873120

約数和(自身を除く): 32062676

約数列:

[1, 2, 4, 13, 17, 23, 26, 34, 46, 52, 68, 92, 109, 169, 218, 221, 299, 338, 391, 436, 442, 598, 676, 782, 884, 1196, 1417, 1564, 1853, 2507, 2834, 2873, 3706, 3887, 5014, 5083, 5668, 5746, 7412, 7774, 10028, 10166, 11492, 15548, 18421, 20332, 24089, 32591, 36842, 42619, 48178, 65182, 66079, 73684, 85238, 96356, 130364, 132158, 170476, 264316, 313157, 423683, 554047, 626314, 847366, 1108094, 1252628, 1694732, 2216188, 7202611, 14405222, 28810444]

約数ペア:

[(1, 28810444), (2, 14405222), (4, 7202611), (13, 2216188), (17, 1694732), (23, 1252628), (26, 1108094), (34, 847366), (46, 626314), (52, 554047), (68, 423683), (92, 313157), (109, 264316), (169, 170476), (218, 132158), (221, 130364), (299, 96356), (338, 85238), (391, 73684), (436, 66079), (442, 65182), (598, 48178), (676, 42619), (782, 36842), (884, 32591), (1196, 24089), (1417, 20332), (1564, 18421), (1853, 15548), (2507, 11492), (2834, 10166), (2873, 10028), (3706, 7774), (3887, 7412), (5014, 5746), (5083, 5668)]