28776748

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{7187}}^1$

素因数の和:7222

約数の個数: 48

約数和(自身を含む): 67624704

約数和(自身を除く): 38847956

約数列:

[1, 2, 4, 7, 11, 13, 14, 22, 26, 28, 44, 52, 77, 91, 143, 154, 182, 286, 308, 364, 572, 1001, 2002, 4004, 7187, 14374, 28748, 50309, 79057, 93431, 100618, 158114, 186862, 201236, 316228, 373724, 553399, 654017, 1027741, 1106798, 1308034, 2055482, 2213596, 2616068, 4110964, 7194187, 14388374, 28776748]

約数ペア:

[(1, 28776748), (2, 14388374), (4, 7194187), (7, 4110964), (11, 2616068), (13, 2213596), (14, 2055482), (22, 1308034), (26, 1106798), (28, 1027741), (44, 654017), (52, 553399), (77, 373724), (91, 316228), (143, 201236), (154, 186862), (182, 158114), (286, 100618), (308, 93431), (364, 79057), (572, 50309), (1001, 28748), (2002, 14374), (4004, 7187)]