77985908

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19477}}^1$

素因数の和:19512

約数の個数: 48

約数和(自身を含む): 183249024

約数和(自身を除く): 105263116

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, 19477, 38954, 77908, 136339, 214247, 253201, 272678, 428494, 506402, 545356, 856988, 1012804, 1499729, 1772407, 2785211, 2999458, 3544814, 5570422, 5998916, 7089628, 11140844, 19496477, 38992954, 77985908]

約数ペア:

[(1, 77985908), (2, 38992954), (4, 19496477), (7, 11140844), (11, 7089628), (13, 5998916), (14, 5570422), (22, 3544814), (26, 2999458), (28, 2785211), (44, 1772407), (52, 1499729), (77, 1012804), (91, 856988), (143, 545356), (154, 506402), (182, 428494), (286, 272678), (308, 253201), (364, 214247), (572, 136339), (1001, 77908), (2002, 38954), (4004, 19477)]