654320422

素因数分解:

$2^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{43}}^2\times {\mathrm{157}}^1$

素因数の和:282

約数の個数: 72

約数和(自身を含む): 1227481776

約数和(自身を除く): 573161354

約数列:

[1, 2, 7, 14, 23, 43, 46, 49, 86, 98, 157, 161, 301, 314, 322, 602, 989, 1099, 1127, 1849, 1978, 2107, 2198, 2254, 3611, 3698, 4214, 6751, 6923, 7222, 7693, 12943, 13502, 13846, 15386, 25277, 25886, 42527, 47257, 48461, 50554, 85054, 90601, 94514, 96922, 155273, 176939, 181202, 290293, 297689, 310546, 330799, 353878, 580586, 595378, 661598, 1086911, 2032051, 2083823, 2173822, 4064102, 4167646, 6676739, 7608377, 13353478, 14224357, 15216754, 28448714, 46737173, 93474346, 327160211, 654320422]

約数ペア:

[(1, 654320422), (2, 327160211), (7, 93474346), (14, 46737173), (23, 28448714), (43, 15216754), (46, 14224357), (49, 13353478), (86, 7608377), (98, 6676739), (157, 4167646), (161, 4064102), (301, 2173822), (314, 2083823), (322, 2032051), (602, 1086911), (989, 661598), (1099, 595378), (1127, 580586), (1849, 353878), (1978, 330799), (2107, 310546), (2198, 297689), (2254, 290293), (3611, 181202), (3698, 176939), (4214, 155273), (6751, 96922), (6923, 94514), (7222, 90601), (7693, 85054), (12943, 50554), (13502, 48461), (13846, 47257), (15386, 42527), (25277, 25886)]