289753919

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{1831}}^1$

素因数の和:1935

約数の個数: 32

約数和(自身を含む): 374255616

約数和(自身を除く): 84501697

約数列:

[1, 7, 13, 37, 47, 91, 259, 329, 481, 611, 1739, 1831, 3367, 4277, 12173, 12817, 22607, 23803, 67747, 86057, 158249, 166621, 474229, 602399, 880711, 1118741, 3184109, 6164977, 7831187, 22288763, 41393417, 289753919]

約数ペア:

[(1, 289753919), (7, 41393417), (13, 22288763), (37, 7831187), (47, 6164977), (91, 3184109), (259, 1118741), (329, 880711), (481, 602399), (611, 474229), (1739, 166621), (1831, 158249), (3367, 86057), (4277, 67747), (12173, 23803), (12817, 22607)]