978971708

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{173}}^1\times {\mathrm{761}}^1$

素因数の和:975

約数の個数: 72

約数和(自身を含む): 2038142736

約数和(自身を除く): 1059171028

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 143, 169, 173, 286, 338, 346, 572, 676, 692, 761, 1522, 1859, 1903, 2249, 3044, 3718, 3806, 4498, 7436, 7612, 8371, 8996, 9893, 16742, 19786, 24739, 29237, 33484, 39572, 49478, 58474, 98956, 108823, 116948, 128609, 131653, 217646, 257218, 263306, 321607, 435292, 514436, 526612, 643214, 1286428, 1414699, 1448183, 1711489, 2829398, 2896366, 3422978, 5658796, 5792732, 6845956, 18826379, 22249357, 37652758, 44498714, 75305516, 88997428, 244742927, 489485854, 978971708]

約数ペア:

[(1, 978971708), (2, 489485854), (4, 244742927), (11, 88997428), (13, 75305516), (22, 44498714), (26, 37652758), (44, 22249357), (52, 18826379), (143, 6845956), (169, 5792732), (173, 5658796), (286, 3422978), (338, 2896366), (346, 2829398), (572, 1711489), (676, 1448183), (692, 1414699), (761, 1286428), (1522, 643214), (1859, 526612), (1903, 514436), (2249, 435292), (3044, 321607), (3718, 263306), (3806, 257218), (4498, 217646), (7436, 131653), (7612, 128609), (8371, 116948), (8996, 108823), (9893, 98956), (16742, 58474), (19786, 49478), (24739, 39572), (29237, 33484)]