216913918

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{577}}^1\times {\mathrm{761}}^1$

素因数の和:1372

約数の個数: 32

約数和(自身を含む): 369966240

約数和(自身を除く): 153052322

約数列:

[1, 2, 13, 19, 26, 38, 247, 494, 577, 761, 1154, 1522, 7501, 9893, 10963, 14459, 15002, 19786, 21926, 28918, 142519, 187967, 285038, 375934, 439097, 878194, 5708261, 8342843, 11416522, 16685686, 108456959, 216913918]

約数ペア:

[(1, 216913918), (2, 108456959), (13, 16685686), (19, 11416522), (26, 8342843), (38, 5708261), (247, 878194), (494, 439097), (577, 375934), (761, 285038), (1154, 187967), (1522, 142519), (7501, 28918), (9893, 21926), (10963, 19786), (14459, 15002)]