129142468

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{263}}^1$

素因数の和:377

約数の個数: 96

約数和(自身を含む): 298045440

約数和(自身を除く): 168902972

約数列:

[1, 2, 4, 7, 13, 14, 19, 26, 28, 38, 52, 71, 76, 91, 133, 142, 182, 247, 263, 266, 284, 364, 494, 497, 526, 532, 923, 988, 994, 1052, 1349, 1729, 1841, 1846, 1988, 2698, 3419, 3458, 3682, 3692, 4997, 5396, 6461, 6838, 6916, 7364, 9443, 9994, 12922, 13676, 17537, 18673, 18886, 19988, 23933, 25844, 34979, 35074, 37346, 37772, 47866, 64961, 69958, 70148, 74692, 95732, 122759, 129922, 130711, 139916, 242749, 245518, 259844, 261422, 354787, 454727, 485498, 491036, 522844, 709574, 909454, 970996, 1419148, 1699243, 1818908, 2483509, 3398486, 4612231, 4967018, 6796972, 9224462, 9934036, 18448924, 32285617, 64571234, 129142468]

約数ペア:

[(1, 129142468), (2, 64571234), (4, 32285617), (7, 18448924), (13, 9934036), (14, 9224462), (19, 6796972), (26, 4967018), (28, 4612231), (38, 3398486), (52, 2483509), (71, 1818908), (76, 1699243), (91, 1419148), (133, 970996), (142, 909454), (182, 709574), (247, 522844), (263, 491036), (266, 485498), (284, 454727), (364, 354787), (494, 261422), (497, 259844), (526, 245518), (532, 242749), (923, 139916), (988, 130711), (994, 129922), (1052, 122759), (1349, 95732), (1729, 74692), (1841, 70148), (1846, 69958), (1988, 64961), (2698, 47866), (3419, 37772), (3458, 37346), (3682, 35074), (3692, 34979), (4997, 25844), (5396, 23933), (6461, 19988), (6838, 18886), (6916, 18673), (7364, 17537), (9443, 13676), (9994, 12922)]