1991007072

素因数分解:

$2^5\times 3^2\times {\mathrm{311}}^1\times {\mathrm{22229}}^1$

素因数の和:22556

約数の個数: 72

約数和(自身を含む): 5680387440

約数和(自身を除く): 3689380368

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 288, 311, 622, 933, 1244, 1866, 2488, 2799, 3732, 4976, 5598, 7464, 9952, 11196, 14928, 22229, 22392, 29856, 44458, 44784, 66687, 88916, 89568, 133374, 177832, 200061, 266748, 355664, 400122, 533496, 711328, 800244, 1066992, 1600488, 2133984, 3200976, 6401952, 6913219, 13826438, 20739657, 27652876, 41479314, 55305752, 62218971, 82958628, 110611504, 124437942, 165917256, 221223008, 248875884, 331834512, 497751768, 663669024, 995503536, 1991007072]

約数ペア:

[(1, 1991007072), (2, 995503536), (3, 663669024), (4, 497751768), (6, 331834512), (8, 248875884), (9, 221223008), (12, 165917256), (16, 124437942), (18, 110611504), (24, 82958628), (32, 62218971), (36, 55305752), (48, 41479314), (72, 27652876), (96, 20739657), (144, 13826438), (288, 6913219), (311, 6401952), (622, 3200976), (933, 2133984), (1244, 1600488), (1866, 1066992), (2488, 800244), (2799, 711328), (3732, 533496), (4976, 400122), (5598, 355664), (7464, 266748), (9952, 200061), (11196, 177832), (14928, 133374), (22229, 89568), (22392, 88916), (29856, 66687), (44458, 44784)]