1215212545

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{229}}^1\times {\mathrm{673}}^1$

素因数の和:1009

約数の個数: 32

約数和(自身を含む): 1562601600

約数和(自身を除く): 347389055

約数列:

[1, 5, 19, 83, 95, 229, 415, 673, 1145, 1577, 3365, 4351, 7885, 12787, 19007, 21755, 55859, 63935, 95035, 154117, 279295, 361133, 770585, 1061321, 1805665, 2928223, 5306605, 12791711, 14641115, 63958555, 243042509, 1215212545]

約数ペア:

[(1, 1215212545), (5, 243042509), (19, 63958555), (83, 14641115), (95, 12791711), (229, 5306605), (415, 2928223), (673, 1805665), (1145, 1061321), (1577, 770585), (3365, 361133), (4351, 279295), (7885, 154117), (12787, 95035), (19007, 63935), (21755, 55859)]