28120248

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^2\times {\mathrm{2311}}^1$

素因数の和:2349

約数の個数: 72

約数和(自身を含む): 82503720

約数和(自身を除く): 54383472

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 52, 72, 78, 104, 117, 156, 169, 234, 312, 338, 468, 507, 676, 936, 1014, 1352, 1521, 2028, 2311, 3042, 4056, 4622, 6084, 6933, 9244, 12168, 13866, 18488, 20799, 27732, 30043, 41598, 55464, 60086, 83196, 90129, 120172, 166392, 180258, 240344, 270387, 360516, 390559, 540774, 721032, 781118, 1081548, 1171677, 1562236, 2163096, 2343354, 3124472, 3515031, 4686708, 7030062, 9373416, 14060124, 28120248]

約数ペア:

[(1, 28120248), (2, 14060124), (3, 9373416), (4, 7030062), (6, 4686708), (8, 3515031), (9, 3124472), (12, 2343354), (13, 2163096), (18, 1562236), (24, 1171677), (26, 1081548), (36, 781118), (39, 721032), (52, 540774), (72, 390559), (78, 360516), (104, 270387), (117, 240344), (156, 180258), (169, 166392), (234, 120172), (312, 90129), (338, 83196), (468, 60086), (507, 55464), (676, 41598), (936, 30043), (1014, 27732), (1352, 20799), (1521, 18488), (2028, 13866), (2311, 12168), (3042, 9244), (4056, 6933), (4622, 6084)]