19947156775

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{63079}}^1$

素因数の和:63248

約数の個数: 48

約数和(自身を含む): 30661926400

約数和(自身を除く): 10714769625

約数列:

[1, 5, 7, 13, 25, 35, 65, 91, 139, 175, 325, 455, 695, 973, 1807, 2275, 3475, 4865, 9035, 12649, 24325, 45175, 63079, 63245, 315395, 316225, 441553, 820027, 1576975, 2207765, 4100135, 5740189, 8767981, 11038825, 20500675, 28700945, 43839905, 61375867, 113983753, 143504725, 219199525, 306879335, 569918765, 797886271, 1534396675, 2849593825, 3989431355, 19947156775]

約数ペア:

[(1, 19947156775), (5, 3989431355), (7, 2849593825), (13, 1534396675), (25, 797886271), (35, 569918765), (65, 306879335), (91, 219199525), (139, 143504725), (175, 113983753), (325, 61375867), (455, 43839905), (695, 28700945), (973, 20500675), (1807, 11038825), (2275, 8767981), (3475, 5740189), (4865, 4100135), (9035, 2207765), (12649, 1576975), (24325, 820027), (45175, 441553), (63079, 316225), (63245, 315395)]