201979804

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{2297}}^1$

素因数の和:2422

約数の個数: 48

約数和(自身を含む): 405367200

約数和(自身を除く): 203387396

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 89, 178, 247, 356, 494, 988, 1157, 1691, 2297, 2314, 3382, 4594, 4628, 6764, 9188, 21983, 29861, 43643, 43966, 59722, 87286, 87932, 119444, 174572, 204433, 408866, 567359, 817732, 1134718, 2269436, 2657629, 3884227, 5315258, 7768454, 10630516, 15536908, 50494951, 100989902, 201979804]

約数ペア:

[(1, 201979804), (2, 100989902), (4, 50494951), (13, 15536908), (19, 10630516), (26, 7768454), (38, 5315258), (52, 3884227), (76, 2657629), (89, 2269436), (178, 1134718), (247, 817732), (356, 567359), (494, 408866), (988, 204433), (1157, 174572), (1691, 119444), (2297, 87932), (2314, 87286), (3382, 59722), (4594, 43966), (4628, 43643), (6764, 29861), (9188, 21983)]