138920912

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{10949}}^1$

素因数の和:11031

約数の個数: 40

約数和(自身を含む): 294642600

約数和(自身を除く): 155721688

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 61, 104, 122, 208, 244, 488, 793, 976, 1586, 3172, 6344, 10949, 12688, 21898, 43796, 87592, 142337, 175184, 284674, 569348, 667889, 1138696, 1335778, 2277392, 2671556, 5343112, 8682557, 10686224, 17365114, 34730228, 69460456, 138920912]

約数ペア:

[(1, 138920912), (2, 69460456), (4, 34730228), (8, 17365114), (13, 10686224), (16, 8682557), (26, 5343112), (52, 2671556), (61, 2277392), (104, 1335778), (122, 1138696), (208, 667889), (244, 569348), (488, 284674), (793, 175184), (976, 142337), (1586, 87592), (3172, 43796), (6344, 21898), (10949, 12688)]