81256208

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{281}}^1$

素因数の和:384

約数の個数: 80

約数和(自身を含む): 181274112

約数和(自身を除く): 100017904

約数列:

[1, 2, 4, 8, 11, 16, 22, 31, 44, 53, 62, 88, 106, 124, 176, 212, 248, 281, 341, 424, 496, 562, 583, 682, 848, 1124, 1166, 1364, 1643, 2248, 2332, 2728, 3091, 3286, 4496, 4664, 5456, 6182, 6572, 8711, 9328, 12364, 13144, 14893, 17422, 18073, 24728, 26288, 29786, 34844, 36146, 49456, 59572, 69688, 72292, 95821, 119144, 139376, 144584, 163823, 191642, 238288, 289168, 327646, 383284, 461683, 655292, 766568, 923366, 1310584, 1533136, 1846732, 2621168, 3693464, 5078513, 7386928, 10157026, 20314052, 40628104, 81256208]

約数ペア:

[(1, 81256208), (2, 40628104), (4, 20314052), (8, 10157026), (11, 7386928), (16, 5078513), (22, 3693464), (31, 2621168), (44, 1846732), (53, 1533136), (62, 1310584), (88, 923366), (106, 766568), (124, 655292), (176, 461683), (212, 383284), (248, 327646), (281, 289168), (341, 238288), (424, 191642), (496, 163823), (562, 144584), (583, 139376), (682, 119144), (848, 95821), (1124, 72292), (1166, 69688), (1364, 59572), (1643, 49456), (2248, 36146), (2332, 34844), (2728, 29786), (3091, 26288), (3286, 24728), (4496, 18073), (4664, 17422), (5456, 14893), (6182, 13144), (6572, 12364), (8711, 9328)]