211366220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{13327}}^1$

素因数の和:13410

約数の個数: 48

約数和(自身を含む): 485885568

約数和(自身を除く): 274519348

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 61, 65, 122, 130, 244, 260, 305, 610, 793, 1220, 1586, 3172, 3965, 7930, 13327, 15860, 26654, 53308, 66635, 133270, 173251, 266540, 346502, 693004, 812947, 866255, 1625894, 1732510, 3251788, 3465020, 4064735, 8129470, 10568311, 16258940, 21136622, 42273244, 52841555, 105683110, 211366220]

約数ペア:

[(1, 211366220), (2, 105683110), (4, 52841555), (5, 42273244), (10, 21136622), (13, 16258940), (20, 10568311), (26, 8129470), (52, 4064735), (61, 3465020), (65, 3251788), (122, 1732510), (130, 1625894), (244, 866255), (260, 812947), (305, 693004), (610, 346502), (793, 266540), (1220, 173251), (1586, 133270), (3172, 66635), (3965, 53308), (7930, 26654), (13327, 15860)]