157729775

素因数分解:

$5^2\times 7^2\times {\mathrm{331}}^1\times {\mathrm{389}}^1$

素因数の和:744

約数の個数: 36

約数和(自身を含む): 228791160

約数和(自身を除く): 71061385

約数列:

[1, 5, 7, 25, 35, 49, 175, 245, 331, 389, 1225, 1655, 1945, 2317, 2723, 8275, 9725, 11585, 13615, 16219, 19061, 57925, 68075, 81095, 95305, 128759, 405475, 476525, 643795, 901313, 3218975, 4506565, 6309191, 22532825, 31545955, 157729775]

約数ペア:

[(1, 157729775), (5, 31545955), (7, 22532825), (25, 6309191), (35, 4506565), (49, 3218975), (175, 901313), (245, 643795), (331, 476525), (389, 405475), (1225, 128759), (1655, 95305), (1945, 81095), (2317, 68075), (2723, 57925), (8275, 19061), (9725, 16219), (11585, 13615)]