2215928

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{149}}^1$

素因数の和:192

約数の個数: 48

約数和(自身を含む): 4941000

約数和(自身を除く): 2725072

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 88, 104, 143, 149, 169, 286, 298, 338, 572, 596, 676, 1144, 1192, 1352, 1639, 1859, 1937, 3278, 3718, 3874, 6556, 7436, 7748, 13112, 14872, 15496, 21307, 25181, 42614, 50362, 85228, 100724, 170456, 201448, 276991, 553982, 1107964, 2215928]

約数ペア:

[(1, 2215928), (2, 1107964), (4, 553982), (8, 276991), (11, 201448), (13, 170456), (22, 100724), (26, 85228), (44, 50362), (52, 42614), (88, 25181), (104, 21307), (143, 15496), (149, 14872), (169, 13112), (286, 7748), (298, 7436), (338, 6556), (572, 3874), (596, 3718), (676, 3278), (1144, 1937), (1192, 1859), (1352, 1639)]