664558908

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{21407}}^1$

素因数の和:21626

約数の個数: 48

約数和(自身を含む): 1678387200

約数和(自身を除く): 1013828292

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 199, 398, 597, 796, 1194, 2388, 2587, 5174, 7761, 10348, 15522, 21407, 31044, 42814, 64221, 85628, 128442, 256884, 278291, 556582, 834873, 1113164, 1669746, 3339492, 4259993, 8519986, 12779979, 17039972, 25559958, 51119916, 55379909, 110759818, 166139727, 221519636, 332279454, 664558908]

約数ペア:

[(1, 664558908), (2, 332279454), (3, 221519636), (4, 166139727), (6, 110759818), (12, 55379909), (13, 51119916), (26, 25559958), (39, 17039972), (52, 12779979), (78, 8519986), (156, 4259993), (199, 3339492), (398, 1669746), (597, 1113164), (796, 834873), (1194, 556582), (2388, 278291), (2587, 256884), (5174, 128442), (7761, 85628), (10348, 64221), (15522, 42814), (21407, 31044)]