81368428

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1\times {\mathrm{101}}^1$

素因数の和:298

約数の個数: 48

約数和(自身を含む): 152167680

約数和(自身を除く): 70799252

約数列:

[1, 2, 4, 31, 62, 73, 89, 101, 124, 146, 178, 202, 292, 356, 404, 2263, 2759, 3131, 4526, 5518, 6262, 6497, 7373, 8989, 9052, 11036, 12524, 12994, 14746, 17978, 25988, 29492, 35956, 201407, 228563, 278659, 402814, 457126, 557318, 656197, 805628, 914252, 1114636, 1312394, 2624788, 20342107, 40684214, 81368428]

約数ペア:

[(1, 81368428), (2, 40684214), (4, 20342107), (31, 2624788), (62, 1312394), (73, 1114636), (89, 914252), (101, 805628), (124, 656197), (146, 557318), (178, 457126), (202, 402814), (292, 278659), (356, 228563), (404, 201407), (2263, 35956), (2759, 29492), (3131, 25988), (4526, 17978), (5518, 14746), (6262, 12994), (6497, 12524), (7373, 11036), (8989, 9052)]