311937667855

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{113}}^2\times {\mathrm{149}}^1\times {\mathrm{271}}^1$

素因数の和:673

約数の個数: 72

約数和(自身を含む): 419449867200

約数和(自身を除く): 107512199345

約数列:

[1, 5, 11, 55, 113, 121, 149, 271, 565, 605, 745, 1243, 1355, 1639, 2981, 6215, 8195, 12769, 13673, 14905, 16837, 18029, 30623, 32791, 40379, 63845, 68365, 84185, 90145, 140459, 153115, 163955, 185207, 201895, 336853, 444169, 702295, 926035, 1545049, 1684265, 1902581, 2037277, 2220845, 3460399, 3705383, 4562827, 4885859, 7725245, 9512905, 10186385, 17301995, 18526915, 20928391, 22814135, 24429295, 38064389, 50191097, 104641955, 190321945, 230212301, 250955485, 418708279, 515599451, 552102067, 1151061505, 2093541395, 2577997255, 2760510335, 5671593961, 28357969805, 62387533571, 311937667855]

約数ペア:

[(1, 311937667855), (5, 62387533571), (11, 28357969805), (55, 5671593961), (113, 2760510335), (121, 2577997255), (149, 2093541395), (271, 1151061505), (565, 552102067), (605, 515599451), (745, 418708279), (1243, 250955485), (1355, 230212301), (1639, 190321945), (2981, 104641955), (6215, 50191097), (8195, 38064389), (12769, 24429295), (13673, 22814135), (14905, 20928391), (16837, 18526915), (18029, 17301995), (30623, 10186385), (32791, 9512905), (40379, 7725245), (63845, 4885859), (68365, 4562827), (84185, 3705383), (90145, 3460399), (140459, 2220845), (153115, 2037277), (163955, 1902581), (185207, 1684265), (201895, 1545049), (336853, 926035), (444169, 702295)]