30688988

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{163}}^1\times {\mathrm{389}}^1$

素因数の和:578

約数の個数: 36

約数和(自身を含む): 59546760

約数和(自身を除く): 28857772

約数列:

[1, 2, 4, 11, 22, 44, 121, 163, 242, 326, 389, 484, 652, 778, 1556, 1793, 3586, 4279, 7172, 8558, 17116, 19723, 39446, 47069, 63407, 78892, 94138, 126814, 188276, 253628, 697477, 1394954, 2789908, 7672247, 15344494, 30688988]

約数ペア:

[(1, 30688988), (2, 15344494), (4, 7672247), (11, 2789908), (22, 1394954), (44, 697477), (121, 253628), (163, 188276), (242, 126814), (326, 94138), (389, 78892), (484, 63407), (652, 47069), (778, 39446), (1556, 19723), (1793, 17116), (3586, 8558), (4279, 7172)]