30721628

素因数分解:

$2^2\times 7^2\times {\mathrm{41}}^1\times {\mathrm{3823}}^1$

素因数の和:3882

約数の個数: 36

約数和(自身を含む): 64082592

約数和(自身を除く): 33360964

約数列:

[1, 2, 4, 7, 14, 28, 41, 49, 82, 98, 164, 196, 287, 574, 1148, 2009, 3823, 4018, 7646, 8036, 15292, 26761, 53522, 107044, 156743, 187327, 313486, 374654, 626972, 749308, 1097201, 2194402, 4388804, 7680407, 15360814, 30721628]

約数ペア:

[(1, 30721628), (2, 15360814), (4, 7680407), (7, 4388804), (14, 2194402), (28, 1097201), (41, 749308), (49, 626972), (82, 374654), (98, 313486), (164, 187327), (196, 156743), (287, 107044), (574, 53522), (1148, 26761), (2009, 15292), (3823, 8036), (4018, 7646)]