28807038

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{307}}^1\times {\mathrm{401}}^1$

素因数の和:729

約数の個数: 48

約数和(自身を含む): 67603536

約数和(自身を除く): 38796498

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 234, 307, 401, 614, 802, 921, 1203, 1842, 2406, 2763, 3609, 3991, 5213, 5526, 7218, 7982, 10426, 11973, 15639, 23946, 31278, 35919, 46917, 71838, 93834, 123107, 246214, 369321, 738642, 1107963, 1600391, 2215926, 3200782, 4801173, 9602346, 14403519, 28807038]

約数ペア:

[(1, 28807038), (2, 14403519), (3, 9602346), (6, 4801173), (9, 3200782), (13, 2215926), (18, 1600391), (26, 1107963), (39, 738642), (78, 369321), (117, 246214), (234, 123107), (307, 93834), (401, 71838), (614, 46917), (802, 35919), (921, 31278), (1203, 23946), (1842, 15639), (2406, 11973), (2763, 10426), (3609, 7982), (3991, 7218), (5213, 5526)]