68780764

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{439}}^1$

素因数の和:610

約数の個数: 48

約数和(自身を含む): 136604160

約数和(自身を除く): 67823396

約数列:

[1, 2, 4, 13, 23, 26, 46, 52, 92, 131, 262, 299, 439, 524, 598, 878, 1196, 1703, 1756, 3013, 3406, 5707, 6026, 6812, 10097, 11414, 12052, 20194, 22828, 39169, 40388, 57509, 78338, 115018, 131261, 156676, 230036, 262522, 525044, 747617, 1322707, 1495234, 2645414, 2990468, 5290828, 17195191, 34390382, 68780764]

約数ペア:

[(1, 68780764), (2, 34390382), (4, 17195191), (13, 5290828), (23, 2990468), (26, 2645414), (46, 1495234), (52, 1322707), (92, 747617), (131, 525044), (262, 262522), (299, 230036), (439, 156676), (524, 131261), (598, 115018), (878, 78338), (1196, 57509), (1703, 40388), (1756, 39169), (3013, 22828), (3406, 20194), (5707, 12052), (6026, 11414), (6812, 10097)]