338045552

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{127}}^1\times {\mathrm{191}}^1$

素因数の和:406

約数の個数: 80

約数和(自身を含む): 725286912

約数和(自身を除く): 387241360

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 67, 104, 127, 134, 191, 208, 254, 268, 382, 508, 536, 764, 871, 1016, 1072, 1528, 1651, 1742, 2032, 2483, 3056, 3302, 3484, 4966, 6604, 6968, 8509, 9932, 12797, 13208, 13936, 17018, 19864, 24257, 25594, 26416, 34036, 39728, 48514, 51188, 68072, 97028, 102376, 110617, 136144, 166361, 194056, 204752, 221234, 315341, 332722, 388112, 442468, 630682, 665444, 884936, 1261364, 1330888, 1625219, 1769872, 2522728, 2661776, 3250438, 5045456, 6500876, 13001752, 21127847, 26003504, 42255694, 84511388, 169022776, 338045552]

約数ペア:

[(1, 338045552), (2, 169022776), (4, 84511388), (8, 42255694), (13, 26003504), (16, 21127847), (26, 13001752), (52, 6500876), (67, 5045456), (104, 3250438), (127, 2661776), (134, 2522728), (191, 1769872), (208, 1625219), (254, 1330888), (268, 1261364), (382, 884936), (508, 665444), (536, 630682), (764, 442468), (871, 388112), (1016, 332722), (1072, 315341), (1528, 221234), (1651, 204752), (1742, 194056), (2032, 166361), (2483, 136144), (3056, 110617), (3302, 102376), (3484, 97028), (4966, 68072), (6604, 51188), (6968, 48514), (8509, 39728), (9932, 34036), (12797, 26416), (13208, 25594), (13936, 24257), (17018, 19864)]