28478892

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{311}}^1\times {\mathrm{587}}^1$

素因数の和:918

約数の個数: 48

約数和(自身を含む): 71914752

約数和(自身を除く): 43435860

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 311, 587, 622, 933, 1174, 1244, 1761, 1866, 2348, 3522, 3732, 4043, 7044, 7631, 8086, 12129, 15262, 16172, 22893, 24258, 30524, 45786, 48516, 91572, 182557, 365114, 547671, 730228, 1095342, 2190684, 2373241, 4746482, 7119723, 9492964, 14239446, 28478892]

約数ペア:

[(1, 28478892), (2, 14239446), (3, 9492964), (4, 7119723), (6, 4746482), (12, 2373241), (13, 2190684), (26, 1095342), (39, 730228), (52, 547671), (78, 365114), (156, 182557), (311, 91572), (587, 48516), (622, 45786), (933, 30524), (1174, 24258), (1244, 22893), (1761, 16172), (1866, 15262), (2348, 12129), (3522, 8086), (3732, 7631), (4043, 7044)]