128980878

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{151}}^1\times {\mathrm{233}}^1$

素因数の和:449

約数の個数: 64

約数和(自身を含む): 286820352

約数和(自身を除く): 157839474

約数列:

[1, 2, 3, 6, 13, 26, 39, 47, 78, 94, 141, 151, 233, 282, 302, 453, 466, 611, 699, 906, 1222, 1398, 1833, 1963, 3029, 3666, 3926, 5889, 6058, 7097, 9087, 10951, 11778, 14194, 18174, 21291, 21902, 32853, 35183, 42582, 65706, 70366, 92261, 105549, 142363, 184522, 211098, 276783, 284726, 427089, 457379, 553566, 854178, 914758, 1372137, 1653601, 2744274, 3307202, 4960803, 9921606, 21496813, 42993626, 64490439, 128980878]

約数ペア:

[(1, 128980878), (2, 64490439), (3, 42993626), (6, 21496813), (13, 9921606), (26, 4960803), (39, 3307202), (47, 2744274), (78, 1653601), (94, 1372137), (141, 914758), (151, 854178), (233, 553566), (282, 457379), (302, 427089), (453, 284726), (466, 276783), (611, 211098), (699, 184522), (906, 142363), (1222, 105549), (1398, 92261), (1833, 70366), (1963, 65706), (3029, 42582), (3666, 35183), (3926, 32853), (5889, 21902), (6058, 21291), (7097, 18174), (9087, 14194), (10951, 11778)]