731664866

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{211}}^1\times {\mathrm{661}}^1$

素因数の和:978

約数の個数: 32

約数和(自身を含む): 1148575296

約数和(自身を除く): 416910430

約数列:

[1, 2, 43, 61, 86, 122, 211, 422, 661, 1322, 2623, 5246, 9073, 12871, 18146, 25742, 28423, 40321, 56846, 80642, 139471, 278942, 553453, 1106906, 1733803, 3467606, 5997253, 8507731, 11994506, 17015462, 365832433, 731664866]

約数ペア:

[(1, 731664866), (2, 365832433), (43, 17015462), (61, 11994506), (86, 8507731), (122, 5997253), (211, 3467606), (422, 1733803), (661, 1106906), (1322, 553453), (2623, 278942), (5246, 139471), (9073, 80642), (12871, 56846), (18146, 40321), (25742, 28423)]