645006908

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{93263}}^1$

素因数の和:93306

約数の個数: 48

約数和(自身を含む): 1462379520

約数和(自身を除く): 817372612

約数列:

[1, 2, 4, 7, 13, 14, 19, 26, 28, 38, 52, 76, 91, 133, 182, 247, 266, 364, 494, 532, 988, 1729, 3458, 6916, 93263, 186526, 373052, 652841, 1212419, 1305682, 1771997, 2424838, 2611364, 3543994, 4849676, 7087988, 8486933, 12403979, 16973866, 23035961, 24807958, 33947732, 46071922, 49615916, 92143844, 161251727, 322503454, 645006908]

約数ペア:

[(1, 645006908), (2, 322503454), (4, 161251727), (7, 92143844), (13, 49615916), (14, 46071922), (19, 33947732), (26, 24807958), (28, 23035961), (38, 16973866), (52, 12403979), (76, 8486933), (91, 7087988), (133, 4849676), (182, 3543994), (247, 2611364), (266, 2424838), (364, 1771997), (494, 1305682), (532, 1212419), (988, 652841), (1729, 373052), (3458, 186526), (6916, 93263)]