28865772

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1667}}^1$

素因数の和:1727

約数の個数: 72

約数和(自身を含む): 80751216

約数和(自身を除く): 51885444

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 37, 39, 52, 74, 78, 111, 117, 148, 156, 222, 234, 333, 444, 468, 481, 666, 962, 1332, 1443, 1667, 1924, 2886, 3334, 4329, 5001, 5772, 6668, 8658, 10002, 15003, 17316, 20004, 21671, 30006, 43342, 60012, 61679, 65013, 86684, 123358, 130026, 185037, 195039, 246716, 260052, 370074, 390078, 555111, 740148, 780156, 801827, 1110222, 1603654, 2220444, 2405481, 3207308, 4810962, 7216443, 9621924, 14432886, 28865772]

約数ペア:

[(1, 28865772), (2, 14432886), (3, 9621924), (4, 7216443), (6, 4810962), (9, 3207308), (12, 2405481), (13, 2220444), (18, 1603654), (26, 1110222), (36, 801827), (37, 780156), (39, 740148), (52, 555111), (74, 390078), (78, 370074), (111, 260052), (117, 246716), (148, 195039), (156, 185037), (222, 130026), (234, 123358), (333, 86684), (444, 65013), (468, 61679), (481, 60012), (666, 43342), (962, 30006), (1332, 21671), (1443, 20004), (1667, 17316), (1924, 15003), (2886, 10002), (3334, 8658), (4329, 6668), (5001, 5772)]