81112678

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{1877}}^1$

素因数の和:1968

約数の個数: 32

約数和(自身を含む): 136297728

約数和(自身を除く): 55185050

約数列:

[1, 2, 17, 31, 34, 41, 62, 82, 527, 697, 1054, 1271, 1394, 1877, 2542, 3754, 21607, 31909, 43214, 58187, 63818, 76957, 116374, 153914, 989179, 1308269, 1978358, 2385667, 2616538, 4771334, 40556339, 81112678]

約数ペア:

[(1, 81112678), (2, 40556339), (17, 4771334), (31, 2616538), (34, 2385667), (41, 1978358), (62, 1308269), (82, 989179), (527, 153914), (697, 116374), (1054, 76957), (1271, 63818), (1394, 58187), (1877, 43214), (2542, 31909), (3754, 21607)]