77786828

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^2$

素因数の和:183

約数の個数: 72

約数和(自身を含む): 169306368

約数和(自身を除く): 91519540

約数列:

[1, 2, 4, 7, 14, 23, 28, 43, 46, 53, 86, 92, 106, 161, 172, 212, 301, 322, 371, 602, 644, 742, 989, 1204, 1219, 1484, 1978, 2279, 2438, 2809, 3956, 4558, 4876, 5618, 6923, 8533, 9116, 11236, 13846, 15953, 17066, 19663, 27692, 31906, 34132, 39326, 52417, 63812, 64607, 78652, 104834, 120787, 129214, 209668, 241574, 258428, 366919, 452249, 483148, 733838, 845509, 904498, 1467676, 1691018, 1808996, 2778101, 3382036, 5556202, 11112404, 19446707, 38893414, 77786828]

約数ペア:

[(1, 77786828), (2, 38893414), (4, 19446707), (7, 11112404), (14, 5556202), (23, 3382036), (28, 2778101), (43, 1808996), (46, 1691018), (53, 1467676), (86, 904498), (92, 845509), (106, 733838), (161, 483148), (172, 452249), (212, 366919), (301, 258428), (322, 241574), (371, 209668), (602, 129214), (644, 120787), (742, 104834), (989, 78652), (1204, 64607), (1219, 63812), (1484, 52417), (1978, 39326), (2279, 34132), (2438, 31906), (2809, 27692), (3956, 19663), (4558, 17066), (4876, 15953), (5618, 13846), (6923, 11236), (8533, 9116)]