28371902

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{727}}^1$

素因数の和:840

約数の個数: 32

約数和(自身を含む): 48921600

約数和(自身を除く): 20549698

約数列:

[1, 2, 13, 19, 26, 38, 79, 158, 247, 494, 727, 1027, 1454, 1501, 2054, 3002, 9451, 13813, 18902, 19513, 27626, 39026, 57433, 114866, 179569, 359138, 746629, 1091227, 1493258, 2182454, 14185951, 28371902]

約数ペア:

[(1, 28371902), (2, 14185951), (13, 2182454), (19, 1493258), (26, 1091227), (38, 746629), (79, 359138), (158, 179569), (247, 114866), (494, 57433), (727, 39026), (1027, 27626), (1454, 19513), (1501, 18902), (2054, 13813), (3002, 9451)]