2578950972

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{128153}}^1$

素因数の和:128219

約数の個数: 72

約数和(自身を含む): 7183800624

約数和(自身を除く): 4604849652

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 43, 52, 78, 86, 117, 129, 156, 172, 234, 258, 387, 468, 516, 559, 774, 1118, 1548, 1677, 2236, 3354, 5031, 6708, 10062, 20124, 128153, 256306, 384459, 512612, 768918, 1153377, 1537836, 1665989, 2306754, 3331978, 4613508, 4997967, 5510579, 6663956, 9995934, 11021158, 14993901, 16531737, 19991868, 22042316, 29987802, 33063474, 49595211, 59975604, 66126948, 71637527, 99190422, 143275054, 198380844, 214912581, 286550108, 429825162, 644737743, 859650324, 1289475486, 2578950972]

約数ペア:

[(1, 2578950972), (2, 1289475486), (3, 859650324), (4, 644737743), (6, 429825162), (9, 286550108), (12, 214912581), (13, 198380844), (18, 143275054), (26, 99190422), (36, 71637527), (39, 66126948), (43, 59975604), (52, 49595211), (78, 33063474), (86, 29987802), (117, 22042316), (129, 19991868), (156, 16531737), (172, 14993901), (234, 11021158), (258, 9995934), (387, 6663956), (468, 5510579), (516, 4997967), (559, 4613508), (774, 3331978), (1118, 2306754), (1548, 1665989), (1677, 1537836), (2236, 1153377), (3354, 768918), (5031, 512612), (6708, 384459), (10062, 256306), (20124, 128153)]