12811327828

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1609}}^1\times {\mathrm{8059}}^1$

素因数の和:9704

約数の個数: 48

約数和(自身を含む): 25434136000

約数和(自身を除く): 12622808172

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 247, 494, 988, 1609, 3218, 6436, 8059, 16118, 20917, 30571, 32236, 41834, 61142, 83668, 104767, 122284, 153121, 209534, 306242, 397423, 419068, 612484, 794846, 1589692, 1990573, 3981146, 7962292, 12966931, 25933862, 51867724, 168570103, 246371689, 337140206, 492743378, 674280412, 985486756, 3202831957, 6405663914, 12811327828]

約数ペア:

[(1, 12811327828), (2, 6405663914), (4, 3202831957), (13, 985486756), (19, 674280412), (26, 492743378), (38, 337140206), (52, 246371689), (76, 168570103), (247, 51867724), (494, 25933862), (988, 12966931), (1609, 7962292), (3218, 3981146), (6436, 1990573), (8059, 1589692), (16118, 794846), (20917, 612484), (30571, 419068), (32236, 397423), (41834, 306242), (61142, 209534), (83668, 153121), (104767, 122284)]