38778880889

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{1097}}^1\times {\mathrm{3967}}^1$

素因数の和:5157

約数の個数: 32

約数和(自身を含む): 47402680320

約数和(自身を除く): 8623799431

約数列:

[1, 7, 19, 67, 133, 469, 1097, 1273, 3967, 7679, 8911, 20843, 27769, 73499, 75373, 145901, 265789, 514493, 527611, 1396481, 1860523, 4351799, 5049991, 9775367, 30462593, 35349937, 82684181, 291570533, 578789267, 2040993731, 5539840127, 38778880889]

約数ペア:

[(1, 38778880889), (7, 5539840127), (19, 2040993731), (67, 578789267), (133, 291570533), (469, 82684181), (1097, 35349937), (1273, 30462593), (3967, 9775367), (7679, 5049991), (8911, 4351799), (20843, 1860523), (27769, 1396481), (73499, 527611), (75373, 514493), (145901, 265789)]