256965306

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{1019}}^1$

素因数の和:1151

約数の個数: 64

約数和(自身を含む): 573713280

約数和(自身を除く): 316747974

約数列:

[1, 2, 3, 6, 13, 26, 39, 53, 61, 78, 106, 122, 159, 183, 318, 366, 689, 793, 1019, 1378, 1586, 2038, 2067, 2379, 3057, 3233, 4134, 4758, 6114, 6466, 9699, 13247, 19398, 26494, 39741, 42029, 54007, 62159, 79482, 84058, 108014, 124318, 126087, 162021, 186477, 252174, 324042, 372954, 702091, 808067, 1404182, 1616134, 2106273, 2424201, 3294427, 4212546, 4848402, 6588854, 9883281, 19766562, 42827551, 85655102, 128482653, 256965306]

約数ペア:

[(1, 256965306), (2, 128482653), (3, 85655102), (6, 42827551), (13, 19766562), (26, 9883281), (39, 6588854), (53, 4848402), (61, 4212546), (78, 3294427), (106, 2424201), (122, 2106273), (159, 1616134), (183, 1404182), (318, 808067), (366, 702091), (689, 372954), (793, 324042), (1019, 252174), (1378, 186477), (1586, 162021), (2038, 126087), (2067, 124318), (2379, 108014), (3057, 84058), (3233, 79482), (4134, 62159), (4758, 54007), (6114, 42029), (6466, 39741), (9699, 26494), (13247, 19398)]