389352288

素因数分解:

$2^5\times 3^1\times {\mathrm{13}}^1\times {\mathrm{311981}}^1$

素因数の和:312007

約数の個数: 48

約数和(自身を含む): 1100672496

約数和(自身を除く): 711320208

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 78, 96, 104, 156, 208, 312, 416, 624, 1248, 311981, 623962, 935943, 1247924, 1871886, 2495848, 3743772, 4055753, 4991696, 7487544, 8111506, 9983392, 12167259, 14975088, 16223012, 24334518, 29950176, 32446024, 48669036, 64892048, 97338072, 129784096, 194676144, 389352288]

約数ペア:

[(1, 389352288), (2, 194676144), (3, 129784096), (4, 97338072), (6, 64892048), (8, 48669036), (12, 32446024), (13, 29950176), (16, 24334518), (24, 16223012), (26, 14975088), (32, 12167259), (39, 9983392), (48, 8111506), (52, 7487544), (78, 4991696), (96, 4055753), (104, 3743772), (156, 2495848), (208, 1871886), (312, 1247924), (416, 935943), (624, 623962), (1248, 311981)]