128202215

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1\times {\mathrm{229}}^1$

素因数の和:407

約数の個数: 32

約数和(自身を含む): 166924800

約数和(自身を除く): 38722585

約数列:

[1, 5, 19, 71, 83, 95, 229, 355, 415, 1145, 1349, 1577, 4351, 5893, 6745, 7885, 16259, 19007, 21755, 29465, 81295, 95035, 111967, 308921, 361133, 559835, 1349497, 1544605, 1805665, 6747485, 25640443, 128202215]

約数ペア:

[(1, 128202215), (5, 25640443), (19, 6747485), (71, 1805665), (83, 1544605), (95, 1349497), (229, 559835), (355, 361133), (415, 308921), (1145, 111967), (1349, 95035), (1577, 81295), (4351, 29465), (5893, 21755), (6745, 19007), (7885, 16259)]