71980376

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{8761}}^1$

素因数の和:8859

約数の個数: 32

約数和(自身を含む): 147201600

約数和(自身を除く): 75221224

約数列:

[1, 2, 4, 8, 13, 26, 52, 79, 104, 158, 316, 632, 1027, 2054, 4108, 8216, 8761, 17522, 35044, 70088, 113893, 227786, 455572, 692119, 911144, 1384238, 2768476, 5536952, 8997547, 17995094, 35990188, 71980376]

約数ペア:

[(1, 71980376), (2, 35990188), (4, 17995094), (8, 8997547), (13, 5536952), (26, 2768476), (52, 1384238), (79, 911144), (104, 692119), (158, 455572), (316, 227786), (632, 113893), (1027, 70088), (2054, 35044), (4108, 17522), (8216, 8761)]