78906428

素因数分解:

$2^2\times {\mathrm{61}}^1\times {\mathrm{331}}^1\times {\mathrm{977}}^1$

素因数の和:1373

約数の個数: 24

約数和(自身を含む): 140918064

約数和(自身を除く): 62011636

約数列:

[1, 2, 4, 61, 122, 244, 331, 662, 977, 1324, 1954, 3908, 20191, 40382, 59597, 80764, 119194, 238388, 323387, 646774, 1293548, 19726607, 39453214, 78906428]

約数ペア:

[(1, 78906428), (2, 39453214), (4, 19726607), (61, 1293548), (122, 646774), (244, 323387), (331, 238388), (662, 119194), (977, 80764), (1324, 59597), (1954, 40382), (3908, 20191)]