311918292

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{641}}^1\times {\mathrm{1931}}^1$

素因数の和:2589

約数の個数: 72

約数和(自身を含む): 902970432

約数和(自身を除く): 591052140

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 641, 1282, 1923, 1931, 2564, 3846, 3862, 4487, 5769, 5793, 7692, 7724, 8974, 11538, 11586, 13461, 13517, 17379, 17948, 23076, 23172, 26922, 27034, 34758, 40383, 40551, 53844, 54068, 69516, 80766, 81102, 121653, 161532, 162204, 243306, 486612, 1237771, 2475542, 3713313, 4951084, 7426626, 8664397, 11139939, 14853252, 17328794, 22279878, 25993191, 34657588, 44559756, 51986382, 77979573, 103972764, 155959146, 311918292]

約数ペア:

[(1, 311918292), (2, 155959146), (3, 103972764), (4, 77979573), (6, 51986382), (7, 44559756), (9, 34657588), (12, 25993191), (14, 22279878), (18, 17328794), (21, 14853252), (28, 11139939), (36, 8664397), (42, 7426626), (63, 4951084), (84, 3713313), (126, 2475542), (252, 1237771), (641, 486612), (1282, 243306), (1923, 162204), (1931, 161532), (2564, 121653), (3846, 81102), (3862, 80766), (4487, 69516), (5769, 54068), (5793, 53844), (7692, 40551), (7724, 40383), (8974, 34758), (11538, 27034), (11586, 26922), (13461, 23172), (13517, 23076), (17379, 17948)]