15740478

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{491}}^1$

素因数の和:649

約数の個数: 48

約数和(自身を含む): 37071216

約数和(自身を除く): 21330738

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 137, 234, 274, 411, 491, 822, 982, 1233, 1473, 1781, 2466, 2946, 3562, 4419, 5343, 6383, 8838, 10686, 12766, 16029, 19149, 32058, 38298, 57447, 67267, 114894, 134534, 201801, 403602, 605403, 874471, 1210806, 1748942, 2623413, 5246826, 7870239, 15740478]

約数ペア:

[(1, 15740478), (2, 7870239), (3, 5246826), (6, 2623413), (9, 1748942), (13, 1210806), (18, 874471), (26, 605403), (39, 403602), (78, 201801), (117, 134534), (137, 114894), (234, 67267), (274, 57447), (411, 38298), (491, 32058), (822, 19149), (982, 16029), (1233, 12766), (1473, 10686), (1781, 8838), (2466, 6383), (2946, 5343), (3562, 4419)]