15697519990

素因数分解:

$2^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{199}}^1\times {\mathrm{78101}}^1$

素因数の和:78408

約数の個数: 32

約数和(自身を含む): 28679054400

約数和(自身を除く): 12981534410

約数列:

[1, 2, 5, 10, 101, 199, 202, 398, 505, 995, 1010, 1990, 20099, 40198, 78101, 100495, 156202, 200990, 390505, 781010, 7888201, 15542099, 15776402, 31084198, 39441005, 77710495, 78882010, 155420990, 1569751999, 3139503998, 7848759995, 15697519990]

約数ペア:

[(1, 15697519990), (2, 7848759995), (5, 3139503998), (10, 1569751999), (101, 155420990), (199, 78882010), (202, 77710495), (398, 39441005), (505, 31084198), (995, 15776402), (1010, 15542099), (1990, 7888201), (20099, 781010), (40198, 390505), (78101, 200990), (100495, 156202)]