31620168

素因数分解:

$2^3\times 3^2\times {\mathrm{643}}^1\times {\mathrm{683}}^1$

素因数の和:1338

約数の個数: 48

約数和(自身を含む): 85896720

約数和(自身を除く): 54276552

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 643, 683, 1286, 1366, 1929, 2049, 2572, 2732, 3858, 4098, 5144, 5464, 5787, 6147, 7716, 8196, 11574, 12294, 15432, 16392, 23148, 24588, 46296, 49176, 439169, 878338, 1317507, 1756676, 2635014, 3513352, 3952521, 5270028, 7905042, 10540056, 15810084, 31620168]

約数ペア:

[(1, 31620168), (2, 15810084), (3, 10540056), (4, 7905042), (6, 5270028), (8, 3952521), (9, 3513352), (12, 2635014), (18, 1756676), (24, 1317507), (36, 878338), (72, 439169), (643, 49176), (683, 46296), (1286, 24588), (1366, 23148), (1929, 16392), (2049, 15432), (2572, 12294), (2732, 11574), (3858, 8196), (4098, 7716), (5144, 6147), (5464, 5787)]