209213790

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{131581}}^1$

素因数の和:131644

約数の個数: 32

約数和(自身を含む): 511590816

約数和(自身を除く): 302377026

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 53, 106, 159, 265, 318, 530, 795, 1590, 131581, 263162, 394743, 657905, 789486, 1315810, 1973715, 3947430, 6973793, 13947586, 20921379, 34868965, 41842758, 69737930, 104606895, 209213790]

約数ペア:

[(1, 209213790), (2, 104606895), (3, 69737930), (5, 41842758), (6, 34868965), (10, 20921379), (15, 13947586), (30, 6973793), (53, 3947430), (106, 1973715), (159, 1315810), (265, 789486), (318, 657905), (530, 394743), (795, 263162), (1590, 131581)]